396530220031 has 16 divisors (see below), whose sum is σ = 439144565760. Its totient is φ = 355012922880.

The previous prime is 396530219999. The next prime is 396530220041. The reversal of 396530220031 is 130022035693.

It is not a de Polignac number, because 396530220031 - 2⁵ = 396530219999 is a prime.

It is a super-2 number, since 2×396530220031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396530220041) 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, 2976415 + ... + 3106783.

It is an arithmetic number, because the mean of its divisors is an integer number (27446535360).

Almost surely, 2^396530220031 is an apocalyptic number.

396530220031 is a deficient number, since it is larger than the sum of its proper divisors (42614345729).

396530220031 is a wasteful number, since it uses less digits than its factorization.

396530220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134574.

The product of its (nonzero) digits is 29160, while the sum is 34.

The spelling of 396530220031 in words is "three hundred ninety-six billion, five hundred thirty million, two hundred twenty thousand, thirty-one".