31214342100432 has 20 divisors (see below), whose sum is σ = 80637050426240. Its totient is φ = 10404780700128.

The previous prime is 31214342100427. The next prime is 31214342100533. The reversal of 31214342100432 is 23400124341213.

It is a self number, because there is not a number n which added to its sum of digits gives 31214342100432.

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, 325149396832 + ... + 325149396927.

It is an arithmetic number, because the mean of its divisors is an integer number (4031852521312).

Almost surely, 2^{31214342100432} is an apocalyptic number.

It is an amenable number.

31214342100432 is an abundant number, since it is smaller than the sum of its proper divisors (49422708325808).

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

31214342100432 is a wasteful number, since it uses less digits than its factorization.

31214342100432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650298793770 (or 650298793764 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31214342100432 its reverse (23400124341213), we get a palindrome (54614466441645).

The spelling of 31214342100432 in words is "thirty-one trillion, two hundred fourteen billion, three hundred forty-two million, one hundred thousand, four hundred thirty-two".