31301020013 has 8 divisors (see below), whose sum is σ = 32424911616. Its totient is φ = 30184264800.

The previous prime is 31301019977. The next prime is 31301020039. The reversal of 31301020013 is 31002010313.

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 31301020013 - 2⁶ = 31301019949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31301020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301020073) 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, 1775168 + ... + 1792713.

It is an arithmetic number, because the mean of its divisors is an integer number (4053113952).

Almost surely, 2^31301020013 is an apocalyptic number.

It is an amenable number.

31301020013 is a deficient number, since it is larger than the sum of its proper divisors (1123891603).

31301020013 is a wasteful number, since it uses less digits than its factorization.

31301020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568195.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31301020013 its reverse (31002010313), we get a palindrome (62303030326).

The spelling of 31301020013 in words is "thirty-one billion, three hundred one million, twenty thousand, thirteen".