234144631 has 4 divisors (see below), whose sum is σ = 267593872. Its totient is φ = 200695392.

The previous prime is 234144613. The next prime is 234144661. The reversal of 234144631 is 136441432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234144631 is a prime.

It is a super-2 number, since 2×234144631² = 109647416452252322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234144631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234144661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16724610 + ... + 16724623.

It is an arithmetic number, because the mean of its divisors is an integer number (66898468).

Almost surely, 2^234144631 is an apocalyptic number.

234144631 is a deficient number, since it is larger than the sum of its proper divisors (33449241).

234144631 is an equidigital number, since it uses as much as digits as its factorization.

234144631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33449240.

The product of its digits is 6912, while the sum is 28.

The square root of 234144631 is about 15301.7852226464. The cubic root of 234144631 is about 616.3509474524.

The spelling of 234144631 in words is "two hundred thirty-four million, one hundred forty-four thousand, six hundred thirty-one".