31945103132 has 24 divisors (see below), whose sum is σ = 56111529936. Its totient is φ = 15913294848.

The previous prime is 31945103131. The next prime is 31945103227. The reversal of 31945103132 is 23130154913.

It is a super-2 number, since 2×31945103132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31945103131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673323 + ... + 2685245.

It is an arithmetic number, because the mean of its divisors is an integer number (2337980414).

Almost surely, 2^31945103132 is an apocalyptic number.

It is an amenable number.

31945103132 is a deficient number, since it is larger than the sum of its proper divisors (24166426804).

31945103132 is a wasteful number, since it uses less digits than its factorization.

31945103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357 (or 14355 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 31945103132 in words is "thirty-one billion, nine hundred forty-five million, one hundred three thousand, one hundred thirty-two".