31351066413 has 32 divisors (see below), whose sum is σ = 46190899200. Its totient is φ = 18837100800.

The previous prime is 31351066387. The next prime is 31351066421. The reversal of 31351066413 is 31466015313.

It is not a de Polignac number, because 31351066413 - 2⁶ = 31351066349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31351066423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46108 + ... + 254613.

It is an arithmetic number, because the mean of its divisors is an integer number (1443465600).

Almost surely, 2^31351066413 is an apocalyptic number.

It is an amenable number.

31351066413 is a deficient number, since it is larger than the sum of its proper divisors (14839832787).

31351066413 is a wasteful number, since it uses less digits than its factorization.

31351066413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300833.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 31351066413 in words is "thirty-one billion, three hundred fifty-one million, sixty-six thousand, four hundred thirteen".