31341046840 has 32 divisors (see below), whose sum is σ = 72423233280. Its totient is φ = 12197596032.

The previous prime is 31341046831. The next prime is 31341046889. The reversal of 31341046840 is 4864014313.

It is a super-2 number, since 2×31341046840² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31341046796 and 31341046805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10586712 + ... + 10589671.

It is an arithmetic number, because the mean of its divisors is an integer number (2263226040).

Almost surely, 2^31341046840 is an apocalyptic number.

It is an amenable number.

31341046840 is an abundant number, since it is smaller than the sum of its proper divisors (41082186440).

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

31341046840 is a wasteful number, since it uses less digits than its factorization.

31341046840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21176431 (or 21176427 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 31341046840 in words is "thirty-one billion, three hundred forty-one million, forty-six thousand, eight hundred forty".