31020002132203 has 4 divisors (see below), whose sum is σ = 35451431008240. Its totient is φ = 26588573256168.

The previous prime is 31020002132183. The next prime is 31020002132239. The reversal of 31020002132203 is 30223120002013.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31020002132203 - 2²⁵ = 31019968577771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020002136203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2215714438008 + ... + 2215714438021.

It is an arithmetic number, because the mean of its divisors is an integer number (8862857752060).

Almost surely, 2^{31020002132203} is an apocalyptic number.

31020002132203 is a deficient number, since it is larger than the sum of its proper divisors (4431428876037).

31020002132203 is an equidigital number, since it uses as much as digits as its factorization.

31020002132203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431428876036.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31020002132203 its reverse (30223120002013), we get a palindrome (61243122134216).

The spelling of 31020002132203 in words is "thirty-one trillion, twenty billion, two million, one hundred thirty-two thousand, two hundred three".