31020013321301 has 16 divisors (see below), whose sum is σ = 32241244795200. Its totient is φ = 29808970520448.

The previous prime is 31020013321267. The next prime is 31020013321307. The reversal of 31020013321301 is 10312331002013.

It is a cyclic number.

It is not a de Polignac number, because 31020013321301 - 2¹⁸ = 31020013059157 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 (31020013321307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20077145 + ... + 21566913.

It is an arithmetic number, because the mean of its divisors is an integer number (2015077799700).

Almost surely, 2^{31020013321301} is an apocalyptic number.

It is an amenable number.

31020013321301 is a deficient number, since it is larger than the sum of its proper divisors (1221231473899).

31020013321301 is a wasteful number, since it uses less digits than its factorization.

31020013321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493188.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31020013321301 its reverse (10312331002013), we get a palindrome (41332344323314).

The spelling of 31020013321301 in words is "thirty-one trillion, twenty billion, thirteen million, three hundred twenty-one thousand, three hundred one".