31141140532000 has 96 divisors (see below), whose sum is σ = 81014593186800. Its totient is φ = 11723723468800.

The previous prime is 31141140531971. The next prime is 31141140532043. The reversal of 31141140532000 is 23504114113.

It can be written as a sum of positive squares in 8 ways, for example, as 9501115782544 + 21640024749456 = 3082388^2 + 4651884^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228910975 + ... + 229046974.

Almost surely, 2^{31141140532000} is an apocalyptic number.

It is an amenable number.

31141140532000 is an abundant number, since it is smaller than the sum of its proper divisors (49873452654800).

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

31141140532000 is a wasteful number, since it uses less digits than its factorization.

31141140532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457957991 (or 457957973 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 31141140532000 its reverse (23504114113), we get a palindrome (31164644646113).

The spelling of 31141140532000 in words is "thirty-one trillion, one hundred forty-one billion, one hundred forty million, five hundred thirty-two thousand".