231057626 has 4 divisors (see below), whose sum is σ = 346586442. Its totient is φ = 115528812.

The previous prime is 231057623. The next prime is 231057653. The reversal of 231057626 is 626750132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 216119401 + 14938225 = 14701^2 + 3865^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231057592 and 231057601.

It is not an unprimeable number, because it can be changed into a prime (231057623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57764405 + ... + 57764408.

Almost surely, 2^231057626 is an apocalyptic number.

231057626 is a deficient number, since it is larger than the sum of its proper divisors (115528816).

231057626 is a wasteful number, since it uses less digits than its factorization.

231057626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115528815.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 231057626 is about 15200.5797915737. The cubic root of 231057626 is about 613.6302615387.

The spelling of 231057626 in words is "two hundred thirty-one million, fifty-seven thousand, six hundred twenty-six".