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2113131441 = 3704377147
BaseRepresentation
bin111110111110011…
…1101001110110001
312110021020012101110
41331330331032301
513311430201231
6545403423533
7103236215031
oct17574751661
95407205343
102113131441
11994897a23
124ab824ba9
13278a37b45
141609078c1
15c57ad046
hex7df3d3b1

2113131441 has 4 divisors (see below), whose sum is σ = 2817508592. Its totient is φ = 1408754292.

The previous prime is 2113131437. The next prime is 2113131469. The reversal of 2113131441 is 1441313112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2113131441 - 22 = 2113131437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113131491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352188571 + ... + 352188576.

It is an arithmetic number, because the mean of its divisors is an integer number (704377148).

Almost surely, 22113131441 is an apocalyptic number.

It is an amenable number.

2113131441 is a deficient number, since it is larger than the sum of its proper divisors (704377151).

2113131441 is an equidigital number, since it uses as much as digits as its factorization.

2113131441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704377150.

The product of its digits is 288, while the sum is 21.

The square root of 2113131441 is about 45968.8094363994. The cubic root of 2113131441 is about 1283.2428032089.

Adding to 2113131441 its reverse (1441313112), we get a palindrome (3554444553).

The spelling of 2113131441 in words is "two billion, one hundred thirteen million, one hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 704377147 2113131441