236731980131 has 2 divisors, whose sum is σ = 236731980132. Its totient is φ = 236731980130.

The previous prime is 236731980109. The next prime is 236731980197. The reversal of 236731980131 is 131089137632.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-236731980131 is a prime.

It is a super-2 number, since 2×236731980131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (236731980031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118365990065 + 118365990066.

It is an arithmetic number, because the mean of its divisors is an integer number (118365990066).

Almost surely, 2^236731980131 is an apocalyptic number.

236731980131 is a deficient number, since it is larger than the sum of its proper divisors (1).

236731980131 is an equidigital number, since it uses as much as digits as its factorization.

236731980131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 236731980131 in words is "two hundred thirty-six billion, seven hundred thirty-one million, nine hundred eighty thousand, one hundred thirty-one".