431517072152 has 16 divisors (see below), whose sum is σ = 814915336200. Its totient is φ = 214206315840.

The previous prime is 431517072139. The next prime is 431517072157. The reversal of 431517072152 is 251270715134.

It is a super-2 number, since 2×431517072152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431517072157) 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, 194026349 + ... + 194028572.

Almost surely, 2^431517072152 is an apocalyptic number.

It is an amenable number.

431517072152 is a deficient number, since it is larger than the sum of its proper divisors (383398264048).

431517072152 is a wasteful number, since it uses less digits than its factorization.

431517072152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388055066 (or 388055062 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

Adding to 431517072152 its reverse (251270715134), we get a palindrome (682787787286).

The spelling of 431517072152 in words is "four hundred thirty-one billion, five hundred seventeen million, seventy-two thousand, one hundred fifty-two".