234107378631 has 20 divisors (see below), whose sum is σ = 399675384592. Its totient is φ = 133775644608.

The previous prime is 234107378627. The next prime is 234107378647. The reversal of 234107378631 is 136873701432.

234107378631 is a `hidden beast` number, since 2 + 3 + 4 + 1 + 0 + 7 + 3 + 7 + 8 + 631 = 666.

It is not a de Polignac number, because 234107378631 - 2² = 234107378627 is a prime.

It is a super-2 number, since 2×234107378631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234107378611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 206443330 + ... + 206444463.

Almost surely, 2^234107378631 is an apocalyptic number.

234107378631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234107378631 is a deficient number, since it is larger than the sum of its proper divisors (165568005961).

234107378631 is an equidigital number, since it uses as much as digits as its factorization.

234107378631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412887812 (or 412887803 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 234107378631 in words is "two hundred thirty-four billion, one hundred seven million, three hundred seventy-eight thousand, six hundred thirty-one".