31240440412344 has 96 divisors (see below), whose sum is σ = 93481624847520. Its totient is φ = 9374795409408.

The previous prime is 31240440412319. The next prime is 31240440412369. The reversal of 31240440412344 is 44321404404213.

31240440412344 is a `hidden beast` number, since 3 + 1 + 240 + 4 + 404 + 1 + 2 + 3 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (31240440412319) and next prime (31240440412369).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31240440412299 and 31240440412308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554824797 + ... + 554881100.

It is an arithmetic number, because the mean of its divisors is an integer number (973766925495).

Almost surely, 2^{31240440412344} is an apocalyptic number.

31240440412344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31240440412344 is an abundant number, since it is smaller than the sum of its proper divisors (62241184435176).

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

31240440412344 is a wasteful number, since it uses less digits than its factorization.

31240440412344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109705949 (or 1109705942 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 31240440412344 its reverse (44321404404213), we get a palindrome (75561844816557).

The spelling of 31240440412344 in words is "thirty-one trillion, two hundred forty billion, four hundred forty million, four hundred twelve thousand, three hundred forty-four".