31497241432 has 16 divisors (see below), whose sum is σ = 59097065760. Its totient is φ = 15738023904.

The previous prime is 31497241423. The next prime is 31497241439. The reversal of 31497241432 is 23414279413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31497241439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311963 + ... + 1335754.

It is an arithmetic number, because the mean of its divisors is an integer number (3693566610).

Almost surely, 2^31497241432 is an apocalyptic number.

It is an amenable number.

31497241432 is a deficient number, since it is larger than the sum of its proper divisors (27599824328).

31497241432 is a wasteful number, since it uses less digits than its factorization.

31497241432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649210 (or 2649206 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The spelling of 31497241432 in words is "thirty-one billion, four hundred ninety-seven million, two hundred forty-one thousand, four hundred thirty-two".