31130220232301 has 32 divisors (see below), whose sum is σ = 32872974336000. Its totient is φ = 29422633363200.

The previous prime is 31130220232297. The next prime is 31130220232343. The reversal of 31130220232301 is 10323202203113.

It is a cyclic number.

It is not a de Polignac number, because 31130220232301 - 2² = 31130220232297 is a prime.

It is a super-2 number, since 2×31130220232301² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130220232901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416593220 + ... + 416667938.

It is an arithmetic number, because the mean of its divisors is an integer number (1027280448000).

Almost surely, 2^{31130220232301} is an apocalyptic number.

It is an amenable number.

31130220232301 is a deficient number, since it is larger than the sum of its proper divisors (1742754103699).

31130220232301 is a wasteful number, since it uses less digits than its factorization.

31130220232301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75569.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31130220232301 its reverse (10323202203113), we get a palindrome (41453422435414).

The spelling of 31130220232301 in words is "thirty-one trillion, one hundred thirty billion, two hundred twenty million, two hundred thirty-two thousand, three hundred one".