31030077712440 has 64 divisors (see below), whose sum is σ = 93090602748960. Its totient is φ = 8274654535680.

The previous prime is 31030077712393. The next prime is 31030077712451. The reversal of 31030077712440 is 4421777003013.

It is a happy number.

It is a super-3 number, since 3×31030077712440³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 52873092 + ... + 53456748.

Almost surely, 2^{31030077712440} is an apocalyptic number.

31030077712440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31030077712440 is an abundant number, since it is smaller than the sum of its proper divisors (62060525036520).

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

31030077712440 is a wasteful number, since it uses less digits than its factorization.

31030077712440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026712 (or 1026708 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 31030077712440 in words is "thirty-one trillion, thirty billion, seventy-seven million, seven hundred twelve thousand, four hundred forty".