257022654131 has 2 divisors, whose sum is σ = 257022654132. Its totient is φ = 257022654130.

The previous prime is 257022654073. The next prime is 257022654209. The reversal of 257022654131 is 131456220752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-257022654131 is a prime.

It is a super-2 number, since 2×257022654131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (257022654331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128511327065 + 128511327066.

It is an arithmetic number, because the mean of its divisors is an integer number (128511327066).

Almost surely, 2^257022654131 is an apocalyptic number.

257022654131 is a deficient number, since it is larger than the sum of its proper divisors (1).

257022654131 is an equidigital number, since it uses as much as digits as its factorization.

257022654131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 257022654131 its reverse (131456220752), we get a palindrome (388478874883).

The spelling of 257022654131 in words is "two hundred fifty-seven billion, twenty-two million, six hundred fifty-four thousand, one hundred thirty-one".