231104056 has 8 divisors (see below), whose sum is σ = 433320120. Its totient is φ = 115552024.

The previous prime is 231104047. The next prime is 231104113. The reversal of 231104056 is 650401132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×231104056² = 106818169399302272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14443996 + ... + 14444011.

It is an arithmetic number, because the mean of its divisors is an integer number (54165015).

Almost surely, 2^231104056 is an apocalyptic number.

It is an amenable number.

231104056 is a deficient number, since it is larger than the sum of its proper divisors (202216064).

231104056 is a wasteful number, since it uses less digits than its factorization.

231104056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28888013 (or 28888009 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 231104056 is about 15202.1069592343. The cubic root of 231104056 is about 613.6713608745.

Adding to 231104056 its reverse (650401132), we get a palindrome (881505188).

The spelling of 231104056 in words is "two hundred thirty-one million, one hundred four thousand, fifty-six".