251310200231 has 2 divisors, whose sum is σ = 251310200232. Its totient is φ = 251310200230.

The previous prime is 251310200227. The next prime is 251310200287. The reversal of 251310200231 is 132002013152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251310200231 - 2² = 251310200227 is a prime.

It is a super-2 number, since 2×251310200231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251310200291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125655100115 + 125655100116.

It is an arithmetic number, because the mean of its divisors is an integer number (125655100116).

Almost surely, 2^251310200231 is an apocalyptic number.

251310200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

251310200231 is an equidigital number, since it uses as much as digits as its factorization.

251310200231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 251310200231 its reverse (132002013152), we get a palindrome (383312213383).

The spelling of 251310200231 in words is "two hundred fifty-one billion, three hundred ten million, two hundred thousand, two hundred thirty-one".