31029293013 has 8 divisors (see below), whose sum is σ = 41635909728. Its totient is φ = 20554435824.

The previous prime is 31029293003. The next prime is 31029293041. The reversal of 31029293013 is 31039292013.

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

It is not a de Polignac number, because 31029293013 - 2⁸ = 31029292757 is a prime.

It is a super-2 number, since 2×31029293013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31029293003) 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, 32939331 + ... + 32940272.

It is an arithmetic number, because the mean of its divisors is an integer number (5204488716).

Almost surely, 2^31029293013 is an apocalyptic number.

It is an amenable number.

31029293013 is a deficient number, since it is larger than the sum of its proper divisors (10606616715).

31029293013 is a wasteful number, since it uses less digits than its factorization.

31029293013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65879763.

The product of its (nonzero) digits is 8748, while the sum is 33.

The spelling of 31029293013 in words is "thirty-one billion, twenty-nine million, two hundred ninety-three thousand, thirteen".