31077734332 has 24 divisors (see below), whose sum is σ = 57282195600. Its totient is φ = 14712356736.

The previous prime is 31077734309. The next prime is 31077734333. The reversal of 31077734332 is 23343777013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31077734333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10248 + ... + 249520.

It is an arithmetic number, because the mean of its divisors is an integer number (2386758150).

Almost surely, 2^31077734332 is an apocalyptic number.

It is an amenable number.

31077734332 is a deficient number, since it is larger than the sum of its proper divisors (26204461268).

31077734332 is a wasteful number, since it uses less digits than its factorization.

31077734332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241005 (or 241003 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 40.

The spelling of 31077734332 in words is "thirty-one billion, seventy-seven million, seven hundred thirty-four thousand, three hundred thirty-two".