31311130002989 has 8 divisors (see below), whose sum is σ = 32047036829280. Its totient is φ = 30575575040976.

The previous prime is 31311130002967. The next prime is 31311130003007. The reversal of 31311130002989 is 98920003111313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31311130002989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31311130002959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87786002 + ... + 88141955.

It is an arithmetic number, because the mean of its divisors is an integer number (4005879603660).

Almost surely, 2^{31311130002989} is an apocalyptic number.

It is an amenable number.

31311130002989 is a deficient number, since it is larger than the sum of its proper divisors (735906826291).

31311130002989 is a wasteful number, since it uses less digits than its factorization.

31311130002989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175932139.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 31311130002989 in words is "thirty-one trillion, three hundred eleven billion, one hundred thirty million, two thousand, nine hundred eighty-nine".