3112231361 has 16 divisors (see below), whose sum is σ = 3441118464. Its totient is φ = 2799734784.

The previous prime is 3112231349. The next prime is 3112231399. The reversal of 3112231361 is 1631322113.

It is a cyclic number.

It is not a de Polignac number, because 3112231361 - 2²² = 3108037057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3112201361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824300 + ... + 828066.

It is an arithmetic number, because the mean of its divisors is an integer number (215069904).

Almost surely, 2^3112231361 is an apocalyptic number.

It is an amenable number.

3112231361 is a deficient number, since it is larger than the sum of its proper divisors (328887103).

3112231361 is a wasteful number, since it uses less digits than its factorization.

3112231361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920.

The product of its digits is 648, while the sum is 23.

The square root of 3112231361 is about 55787.3763588144. The cubic root of 3112231361 is about 1460.0149121202.

Adding to 3112231361 its reverse (1631322113), we get a palindrome (4743553474).

The spelling of 3112231361 in words is "three billion, one hundred twelve million, two hundred thirty-one thousand, three hundred sixty-one".