31400435132 has 12 divisors (see below), whose sum is σ = 59946285336. Its totient is φ = 14272925040.

The previous prime is 31400435113. The next prime is 31400435147. The reversal of 31400435132 is 23153400413.

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, 356823083 + ... + 356823170.

It is an arithmetic number, because the mean of its divisors is an integer number (4995523778).

Almost surely, 2^31400435132 is an apocalyptic number.

It is an amenable number.

31400435132 is a deficient number, since it is larger than the sum of its proper divisors (28545850204).

31400435132 is a wasteful number, since it uses less digits than its factorization.

31400435132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713646268 (or 713646266 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 31400435132 its reverse (23153400413), we get a palindrome (54553835545).

The spelling of 31400435132 in words is "thirty-one billion, four hundred million, four hundred thirty-five thousand, one hundred thirty-two".