213033322131 has 24 divisors (see below), whose sum is σ = 330576926400. Its totient is φ = 121675154832.

The previous prime is 213033322129. The next prime is 213033322133. The reversal of 213033322131 is 131223330312.

It is an interprime number because it is at equal distance from previous prime (213033322129) and next prime (213033322133).

It is not a de Polignac number, because 213033322131 - 2¹ = 213033322129 is a prime.

It is a super-2 number, since 2×213033322131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213033322133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36661 + ... + 653766.

It is an arithmetic number, because the mean of its divisors is an integer number (13774038600).

Almost surely, 2^213033322131 is an apocalyptic number.

213033322131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213033322131 is a deficient number, since it is larger than the sum of its proper divisors (117543604269).

213033322131 is a wasteful number, since it uses less digits than its factorization.

213033322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692543 (or 692536 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213033322131 its reverse (131223330312), we get a palindrome (344256652443).

The spelling of 213033322131 in words is "two hundred thirteen billion, thirty-three million, three hundred twenty-two thousand, one hundred thirty-one".