2731510232461 has 2 divisors, whose sum is σ = 2731510232462. Its totient is φ = 2731510232460.

The previous prime is 2731510232447. The next prime is 2731510232587. The reversal of 2731510232461 is 1642320151372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016453960361 + 715056272100 = 1420019^2 + 845610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731510232461 - 2⁷ = 2731510232333 is a prime.

It is a super-2 number, since 2×2731510232461² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2731510232461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2731510232441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365755116230 + 1365755116231.

It is an arithmetic number, because the mean of its divisors is an integer number (1365755116231).

Almost surely, 2^{2731510232461} is an apocalyptic number.

It is an amenable number.

2731510232461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731510232461 is an equidigital number, since it uses as much as digits as its factorization.

2731510232461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 2731510232461 in words is "two trillion, seven hundred thirty-one billion, five hundred ten million, two hundred thirty-two thousand, four hundred sixty-one".