31532447552151 has 48 divisors (see below), whose sum is σ = 52672629996000. Its totient is φ = 16631537513472.

The previous prime is 31532447552147. The next prime is 31532447552189. The reversal of 31532447552151 is 15125574423513.

It is not a de Polignac number, because 31532447552151 - 2² = 31532447552147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31532447552151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31532447552131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33182275 + ... + 34119323.

It is an arithmetic number, because the mean of its divisors is an integer number (1097346458250).

Almost surely, 2^{31532447552151} is an apocalyptic number.

31532447552151 is a deficient number, since it is larger than the sum of its proper divisors (21140182443849).

31532447552151 is a wasteful number, since it uses less digits than its factorization.

31532447552151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954688 (or 954681 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 48.

The spelling of 31532447552151 in words is "thirty-one trillion, five hundred thirty-two billion, four hundred forty-seven million, five hundred fifty-two thousand, one hundred fifty-one".