100131770357461 has 2 divisors, whose sum is σ = 100131770357462. Its totient is φ = 100131770357460.

The previous prime is 100131770357431. The next prime is 100131770357467. The reversal of 100131770357461 is 164753077131001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72244985087025 + 27886785270436 = 8499705^2 + 5280794^2 .

It is a cyclic number.

It is not a de Polignac number, because 100131770357461 - 2¹¹ = 100131770355413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100131770357467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50065885178730 + 50065885178731.

It is an arithmetic number, because the mean of its divisors is an integer number (50065885178731).

Almost surely, 2^{100131770357461} is an apocalyptic number.

It is an amenable number.

100131770357461 is a deficient number, since it is larger than the sum of its proper divisors (1).

100131770357461 is an equidigital number, since it uses as much as digits as its factorization.

100131770357461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 100131770357461 in words is "one hundred trillion, one hundred thirty-one billion, seven hundred seventy million, three hundred fifty-seven thousand, four hundred sixty-one".