31325071292 has 12 divisors (see below), whose sum is σ = 54825203160. Its totient is φ = 15660727536.

The previous prime is 31325071291. The next prime is 31325071339. The reversal of 31325071292 is 29217052313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325071291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412667 + ... + 482642.

It is an arithmetic number, because the mean of its divisors is an integer number (4568766930).

Almost surely, 2^31325071292 is an apocalyptic number.

It is an amenable number.

31325071292 is a deficient number, since it is larger than the sum of its proper divisors (23500131868).

31325071292 is a wasteful number, since it uses less digits than its factorization.

31325071292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904060 (or 904058 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 31325071292 in words is "thirty-one billion, three hundred twenty-five million, seventy-one thousand, two hundred ninety-two".