234540474231 has 32 divisors (see below), whose sum is σ = 367838281728. Its totient is φ = 130163251680.

The previous prime is 234540474191. The next prime is 234540474317. The reversal of 234540474231 is 132474045432.

It is not a de Polignac number, because 234540474231 - 2⁶ = 234540474167 is a prime.

It is a super-2 number, since 2×234540474231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234540474231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234540474731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1074015 + ... + 1273808.

It is an arithmetic number, because the mean of its divisors is an integer number (11494946304).

Almost surely, 2^234540474231 is an apocalyptic number.

234540474231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234540474231 is a deficient number, since it is larger than the sum of its proper divisors (133297807497).

234540474231 is a wasteful number, since it uses less digits than its factorization.

234540474231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347971.

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 234540474231 in words is "two hundred thirty-four billion, five hundred forty million, four hundred seventy-four thousand, two hundred thirty-one".