2531137120153 has 2 divisors, whose sum is σ = 2531137120154. Its totient is φ = 2531137120152.

The previous prime is 2531137120129. The next prime is 2531137120159. The reversal of 2531137120153 is 3510217311352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1672914601744 + 858222518409 = 1293412^2 + 926403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531137120153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2531137120159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265568560076 + 1265568560077.

It is an arithmetic number, because the mean of its divisors is an integer number (1265568560077).

Almost surely, 2^{2531137120153} is an apocalyptic number.

It is an amenable number.

2531137120153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531137120153 is an equidigital number, since it uses as much as digits as its factorization.

2531137120153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 2531137120153 in words is "two trillion, five hundred thirty-one billion, one hundred thirty-seven million, one hundred twenty thousand, one hundred fifty-three".