331275147461 has 2 divisors, whose sum is σ = 331275147462. Its totient is φ = 331275147460.

The previous prime is 331275147457. The next prime is 331275147481. The reversal of 331275147461 is 164741572133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169756360225 + 161518787236 = 412015^2 + 401894^2 .

It is a cyclic number.

It is not a de Polignac number, because 331275147461 - 2² = 331275147457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331275147421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165637573730 + 165637573731.

It is an arithmetic number, because the mean of its divisors is an integer number (165637573731).

Almost surely, 2^331275147461 is an apocalyptic number.

It is an amenable number.

331275147461 is a deficient number, since it is larger than the sum of its proper divisors (1).

331275147461 is an equidigital number, since it uses as much as digits as its factorization.

331275147461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The spelling of 331275147461 in words is "three hundred thirty-one billion, two hundred seventy-five million, one hundred forty-seven thousand, four hundred sixty-one".