31430314132 has 24 divisors (see below), whose sum is σ = 62866298880. Its totient is φ = 13468919520.

The previous prime is 31430314127. The next prime is 31430314141. The reversal of 31430314132 is 23141303413.

It is a junction number, because it is equal to n+sod(n) for n = 31430314097 and 31430314106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310494 + ... + 399082.

It is an arithmetic number, because the mean of its divisors is an integer number (2619429120).

Almost surely, 2^31430314132 is an apocalyptic number.

It is an amenable number.

31430314132 is an abundant number, since it is smaller than the sum of its proper divisors (31435984748).

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

31430314132 is a wasteful number, since it uses less digits than its factorization.

31430314132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101271 (or 101269 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31430314132 its reverse (23141303413), we get a palindrome (54571617545).

The spelling of 31430314132 in words is "thirty-one billion, four hundred thirty million, three hundred fourteen thousand, one hundred thirty-two".