203213132131 has 2 divisors, whose sum is σ = 203213132132. Its totient is φ = 203213132130.

The previous prime is 203213132123. The next prime is 203213132149. The reversal of 203213132131 is 131231312302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203213132131 - 2³ = 203213132123 is a prime.

It is a super-2 number, since 2×203213132131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203213132231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101606566065 + 101606566066.

It is an arithmetic number, because the mean of its divisors is an integer number (101606566066).

Almost surely, 2^203213132131 is an apocalyptic number.

203213132131 is a deficient number, since it is larger than the sum of its proper divisors (1).

203213132131 is an equidigital number, since it uses as much as digits as its factorization.

203213132131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 203213132131 its reverse (131231312302), we get a palindrome (334444444433).

The spelling of 203213132131 in words is "two hundred three billion, two hundred thirteen million, one hundred thirty-two thousand, one hundred thirty-one".