31240553511342 has 48 divisors (see below), whose sum is σ = 72693337019472. Its totient is φ = 8924492949120.

The previous prime is 31240553511341. The next prime is 31240553511383. The reversal of 31240553511342 is 24311535504213.

It is a self number, because there is not a number n which added to its sum of digits gives 31240553511342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240553511341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6304909 + ... + 10111032.

It is an arithmetic number, because the mean of its divisors is an integer number (1514444521239).

Almost surely, 2^{31240553511342} is an apocalyptic number.

31240553511342 is an abundant number, since it is smaller than the sum of its proper divisors (41452783508130).

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

31240553511342 is a wasteful number, since it uses less digits than its factorization.

31240553511342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16422433 (or 16422426 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 31240553511342 in words is "thirty-one trillion, two hundred forty billion, five hundred fifty-three million, five hundred eleven thousand, three hundred forty-two".