31215441040532 has 48 divisors (see below), whose sum is σ = 62732969523840. Its totient is φ = 13313436106752.

The previous prime is 31215441040501. The next prime is 31215441040591. The reversal of 31215441040532 is 23504014451213.

It is a junction number, because it is equal to n+sod(n) for n = 31215441040492 and 31215441040501.

It is a congruent number.

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, 3532208 + ... + 8654904.

It is an arithmetic number, because the mean of its divisors is an integer number (1306936865080).

Almost surely, 2^{31215441040532} is an apocalyptic number.

It is an amenable number.

31215441040532 is an abundant number, since it is smaller than the sum of its proper divisors (31517528483308).

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

31215441040532 is a wasteful number, since it uses less digits than its factorization.

31215441040532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123760 (or 5123758 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 31215441040532 its reverse (23504014451213), we get a palindrome (54719455491745).

The spelling of 31215441040532 in words is "thirty-one trillion, two hundred fifteen billion, four hundred forty-one million, forty thousand, five hundred thirty-two".