31023116045 has 8 divisors (see below), whose sum is σ = 38093500896. Its totient is φ = 24241318416.

The previous prime is 31023116041. The next prime is 31023116051. The reversal of 31023116045 is 54061132013.

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 31023116045 - 2² = 31023116041 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 (31023116041) 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, 72146567 + ... + 72146996.

It is an arithmetic number, because the mean of its divisors is an integer number (4761687612).

Almost surely, 2^31023116045 is an apocalyptic number.

It is an amenable number.

31023116045 is a deficient number, since it is larger than the sum of its proper divisors (7070384851).

31023116045 is a wasteful number, since it uses less digits than its factorization.

31023116045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144293611.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31023116045 its reverse (54061132013), we get a palindrome (85084248058).

The spelling of 31023116045 in words is "thirty-one billion, twenty-three million, one hundred sixteen thousand, forty-five".