2136731231 has 2 divisors, whose sum is σ = 2136731232. Its totient is φ = 2136731230.

The previous prime is 2136731183. The next prime is 2136731263. The reversal of 2136731231 is 1321376312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2136731231 - 2¹⁰ = 2136730207 is a prime.

It is a super-2 number, since 2×2136731231² = 9131240707061550722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2136731194 and 2136731203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136730231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068365615 + 1068365616.

It is an arithmetic number, because the mean of its divisors is an integer number (1068365616).

Almost surely, 2^2136731231 is an apocalyptic number.

2136731231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136731231 is an equidigital number, since it uses as much as digits as its factorization.

2136731231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 2136731231 is about 46224.7902212655. The cubic root of 2136731231 is about 1288.0022823716.

The spelling of 2136731231 in words is "two billion, one hundred thirty-six million, seven hundred thirty-one thousand, two hundred thirty-one".