234257631 has 8 divisors (see below), whose sum is σ = 328782720. Its totient is φ = 147952152.

The previous prime is 234257627. The next prime is 234257687. The reversal of 234257631 is 136752432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234257631 - 2² = 234257627 is a prime.

It is a super-2 number, since 2×234257631² = 109753275363464322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234257592 and 234257601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234257131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054835 + ... + 2054948.

It is an arithmetic number, because the mean of its divisors is an integer number (41097840).

Almost surely, 2^234257631 is an apocalyptic number.

234257631 is a deficient number, since it is larger than the sum of its proper divisors (94525089).

234257631 is a wasteful number, since it uses less digits than its factorization.

234257631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109805.

The product of its digits is 30240, while the sum is 33.

The square root of 234257631 is about 15305.4771568873. The cubic root of 234257631 is about 616.4500834090.

The spelling of 234257631 in words is "two hundred thirty-four million, two hundred fifty-seven thousand, six hundred thirty-one".