31080467335681 has 8 divisors (see below), whose sum is σ = 32748387688800. Its totient is φ = 29415757610880.

The previous prime is 31080467335553. The next prime is 31080467335739. The reversal of 31080467335681 is 18653376408013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31080467335681 - 2⁷ = 31080467335553 is a prime.

It is a super-2 number, since 2×31080467335681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31080467335081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802637200 + ... + 802675921.

It is an arithmetic number, because the mean of its divisors is an integer number (4093548461100).

Almost surely, 2^{31080467335681} is an apocalyptic number.

It is an amenable number.

31080467335681 is a deficient number, since it is larger than the sum of its proper divisors (1667920353119).

31080467335681 is a wasteful number, since it uses less digits than its factorization.

31080467335681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605314159.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 31080467335681 in words is "thirty-one trillion, eighty billion, four hundred sixty-seven million, three hundred thirty-five thousand, six hundred eighty-one".