31722927434 has 12 divisors (see below), whose sum is σ = 52303504722. Its totient is φ = 14419512360.

The previous prime is 31722927427. The next prime is 31722927437. The reversal of 31722927434 is 43472922713.

It can be written as a sum of positive squares in only one way, i.e., 30686280625 + 1036646809 = 175175^2 + 32197^2 .

It is not an unprimeable number, because it can be changed into a prime (31722927437) 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 5 ways as a sum of consecutive naturals, for example, 65542997 + ... + 65543480.

Almost surely, 2^31722927434 is an apocalyptic number.

31722927434 is a deficient number, since it is larger than the sum of its proper divisors (20580577288).

31722927434 is a wasteful number, since it uses less digits than its factorization.

31722927434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131086501 (or 131086490 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The spelling of 31722927434 in words is "thirty-one billion, seven hundred twenty-two million, nine hundred twenty-seven thousand, four hundred thirty-four".