431232506540634 has 16 divisors (see below), whose sum is σ = 913198249145088. Its totient is φ = 135288629502912.

The previous prime is 431232506540611. The next prime is 431232506540639. The reversal of 431232506540634 is 436045605232134.

It is a super-2 number, since 2×431232506540634² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431232506540639) 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, 2113884835882 + ... + 2113884836085.

It is an arithmetic number, because the mean of its divisors is an integer number (57074890571568).

Almost surely, 2^{431232506540634} is an apocalyptic number.

431232506540634 is an abundant number, since it is smaller than the sum of its proper divisors (481965742604454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431232506540634 is a wasteful number, since it uses less digits than its factorization.

431232506540634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227769671989.

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 431232506540634 in words is "four hundred thirty-one trillion, two hundred thirty-two billion, five hundred six million, five hundred forty thousand, six hundred thirty-four".