213001332031 has 8 divisors (see below), whose sum is σ = 216928412064. Its totient is φ = 209100003840.

The previous prime is 213001331957. The next prime is 213001332043. The reversal of 213001332031 is 130233100312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213001332031 - 2⁷ = 213001331903 is a prime.

It is a super-2 number, since 2×213001332031² (a number of 23 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 (213001332331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6421266 + ... + 6454351.

It is an arithmetic number, because the mean of its divisors is an integer number (27116051508).

Almost surely, 2^213001332031 is an apocalyptic number.

213001332031 is a deficient number, since it is larger than the sum of its proper divisors (3927080033).

213001332031 is a wasteful number, since it uses less digits than its factorization.

213001332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875921.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213001332031 its reverse (130233100312), we get a palindrome (343234432343).

The spelling of 213001332031 in words is "two hundred thirteen billion, one million, three hundred thirty-two thousand, thirty-one".