3151540002397 has 2 divisors, whose sum is σ = 3151540002398. Its totient is φ = 3151540002396.

The previous prime is 3151540002367. The next prime is 3151540002421. The reversal of 3151540002397 is 7932000451513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3110193253476 + 41346748921 = 1763574^2 + 203339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3151540002397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3151540002367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575770001198 + 1575770001199.

It is an arithmetic number, because the mean of its divisors is an integer number (1575770001199).

Almost surely, 2^{3151540002397} is an apocalyptic number.

It is an amenable number.

3151540002397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151540002397 is an equidigital number, since it uses as much as digits as its factorization.

3151540002397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 3151540002397 in words is "three trillion, one hundred fifty-one billion, five hundred forty million, two thousand, three hundred ninety-seven".