213132023031 has 16 divisors (see below), whose sum is σ = 296543520000. Its totient is φ = 135904771200.

The previous prime is 213132023029. The next prime is 213132023033. The reversal of 213132023031 is 130320231312.

It is an interprime number because it is at equal distance from previous prime (213132023029) and next prime (213132023033).

It is not a de Polignac number, because 213132023031 - 2¹ = 213132023029 is a prime.

It is a super-2 number, since 2×213132023031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213132022989 and 213132023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132023033) 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, 2290095 + ... + 2381343.

It is an arithmetic number, because the mean of its divisors is an integer number (18533970000).

Almost surely, 2^213132023031 is an apocalyptic number.

213132023031 is a deficient number, since it is larger than the sum of its proper divisors (83411496969).

213132023031 is a wasteful number, since it uses less digits than its factorization.

213132023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125126.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213132023031 its reverse (130320231312), we get a palindrome (343452254343).

The spelling of 213132023031 in words is "two hundred thirteen billion, one hundred thirty-two million, twenty-three thousand, thirty-one".