31023110013 has 8 divisors (see below), whose sum is σ = 47273310528. Its totient is φ = 17727491424.

The previous prime is 31023110011. The next prime is 31023110017. The reversal of 31023110013 is 31001132013.

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

It is not a de Polignac number, because 31023110013 - 2¹ = 31023110011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31023109974 and 31023110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023110011) 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, 738645456 + ... + 738645497.

It is an arithmetic number, because the mean of its divisors is an integer number (5909163816).

Almost surely, 2^31023110013 is an apocalyptic number.

It is an amenable number.

31023110013 is a deficient number, since it is larger than the sum of its proper divisors (16250200515).

31023110013 is a wasteful number, since it uses less digits than its factorization.

31023110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477290963.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31023110013 its reverse (31001132013), we get a palindrome (62024242026).

The spelling of 31023110013 in words is "thirty-one billion, twenty-three million, one hundred ten thousand, thirteen".