235152140631 has 4 divisors (see below), whose sum is σ = 313536187512. Its totient is φ = 156768093752.

The previous prime is 235152140621. The next prime is 235152140659. The reversal of 235152140631 is 136041251532.

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

It is a cyclic number.

It is not a de Polignac number, because 235152140631 - 2²⁹ = 234615269719 is a prime.

It is a super-2 number, since 2×235152140631² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235152140592 and 235152140601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235152140611) 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, 39192023436 + ... + 39192023441.

It is an arithmetic number, because the mean of its divisors is an integer number (78384046878).

Almost surely, 2^235152140631 is an apocalyptic number.

235152140631 is a deficient number, since it is larger than the sum of its proper divisors (78384046881).

235152140631 is an equidigital number, since it uses as much as digits as its factorization.

235152140631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78384046880.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 235152140631 in words is "two hundred thirty-five billion, one hundred fifty-two million, one hundred forty thousand, six hundred thirty-one".