31140101532 has 12 divisors (see below), whose sum is σ = 72660236936. Its totient is φ = 10380033840.

The previous prime is 31140101519. The next prime is 31140101563. The reversal of 31140101532 is 23510104113.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 31140101499 and 31140101508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297504219 + ... + 1297504242.

Almost surely, 2^31140101532 is an apocalyptic number.

It is an amenable number.

31140101532 is an abundant number, since it is smaller than the sum of its proper divisors (41520135404).

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

31140101532 is a wasteful number, since it uses less digits than its factorization.

31140101532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595008468 (or 2595008466 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 31140101532 its reverse (23510104113), we get a palindrome (54650205645).

The spelling of 31140101532 in words is "thirty-one billion, one hundred forty million, one hundred one thousand, five hundred thirty-two".