31376240292 has 48 divisors (see below), whose sum is σ = 77307733440. Its totient is φ = 9877007232.

The previous prime is 31376240279. The next prime is 31376240293. The reversal of 31376240292 is 29204267313.

It is a super-2 number, since 2×31376240292² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31376240292.

It is not an unprimeable number, because it can be changed into a prime (31376240293) 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 15 ways as a sum of consecutive naturals, for example, 144783 + ... + 289334.

It is an arithmetic number, because the mean of its divisors is an integer number (1610577780).

Almost surely, 2^31376240292 is an apocalyptic number.

It is an amenable number.

31376240292 is an abundant number, since it is smaller than the sum of its proper divisors (45931493148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31376240292 is a wasteful number, since it uses less digits than its factorization.

31376240292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434460 (or 434458 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 31376240292 in words is "thirty-one billion, three hundred seventy-six million, two hundred forty thousand, two hundred ninety-two".