213001303131 has 32 divisors (see below), whose sum is σ = 318899589120. Its totient is φ = 140497742592.

The previous prime is 213001303127. The next prime is 213001303171. The reversal of 213001303131 is 131303100312.

It is a happy number.

213001303131 is a `hidden beast` number, since 21 + 300 + 1 + 30 + 313 + 1 = 666.

It is not a de Polignac number, because 213001303131 - 2² = 213001303127 is a prime.

It is a super-2 number, since 2×213001303131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213001303171) 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, 11679486 + ... + 11697708.

It is an arithmetic number, because the mean of its divisors is an integer number (9965612160).

Almost surely, 2^213001303131 is an apocalyptic number.

213001303131 is a deficient number, since it is larger than the sum of its proper divisors (105898285989).

213001303131 is a wasteful number, since it uses less digits than its factorization.

213001303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22792 (or 22786 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 213001303131 its reverse (131303100312), we get a palindrome (344304403443).

The spelling of 213001303131 in words is "two hundred thirteen billion, one million, three hundred three thousand, one hundred thirty-one".