3240670931 has 2 divisors, whose sum is σ = 3240670932. Its totient is φ = 3240670930.

The previous prime is 3240670919. The next prime is 3240670949. The reversal of 3240670931 is 1390760423.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3240670931 is a prime.

It is a super-2 number, since 2×3240670931² = 21003896166056813522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3240670891 and 3240670900.

It is not a weakly prime, because it can be changed into another prime (3240670991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620335465 + 1620335466.

It is an arithmetic number, because the mean of its divisors is an integer number (1620335466).

Almost surely, 2^3240670931 is an apocalyptic number.

3240670931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240670931 is an equidigital number, since it uses as much as digits as its factorization.

3240670931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 3240670931 is about 56926.8911060493. The cubic root of 3240670931 is about 1479.8293769398.

The spelling of 3240670931 in words is "three billion, two hundred forty million, six hundred seventy thousand, nine hundred thirty-one".