31048885740 has 48 divisors (see below), whose sum is σ = 87283284480. Its totient is φ = 8246712000.

The previous prime is 31048885727. The next prime is 31048885771. The reversal of 31048885740 is 4758884013.

It is a self number, because there is not a number n which added to its sum of digits gives 31048885740.

It is an unprimeable number.

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, 1015780 + ... + 1045899.

It is an arithmetic number, because the mean of its divisors is an integer number (1818401760).

Almost surely, 2^31048885740 is an apocalyptic number.

31048885740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31048885740 is an abundant number, since it is smaller than the sum of its proper divisors (56234398740).

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

31048885740 is a wasteful number, since it uses less digits than its factorization.

31048885740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061942 (or 2061940 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 31048885740 in words is "thirty-one billion, forty-eight million, eight hundred eighty-five thousand, seven hundred forty".