1302211113 has 72 divisors (see below), whose sum is σ = 2176564608. Its totient is φ = 690161472.

The previous prime is 1302211091. The next prime is 1302211117. The reversal of 1302211113 is 3111122031.

It is a happy number.

It is not a de Polignac number, because 1302211113 - 2⁶ = 1302211049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302211092 and 1302211101.

It is not an unprimeable number, because it can be changed into a prime (1302211117) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2812320 + ... + 2812782.

It is an arithmetic number, because the mean of its divisors is an integer number (30230064).

Almost surely, 2^1302211113 is an apocalyptic number.

It is an amenable number.

1302211113 is a deficient number, since it is larger than the sum of its proper divisors (874353495).

1302211113 is a wasteful number, since it uses less digits than its factorization.

1302211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1302211113 is about 36086.1623479139. The cubic root of 1302211113 is about 1092.0113000146.

Adding to 1302211113 its reverse (3111122031), we get a palindrome (4413333144).

The spelling of 1302211113 in words is "one billion, three hundred two million, two hundred eleven thousand, one hundred thirteen".