131093960761 has 3 divisors (see below), whose sum is σ = 131094322831. Its totient is φ = 131093598692.

The previous prime is 131093960749. The next prime is 131093960771. The reversal of 131093960761 is 167069390131.

The square root of 131093960761 is 362069.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 72694405161 + 58399555600 = 269619^2 + 241660^2 .

It is not a de Polignac number, because 131093960761 - 2¹⁹ = 131093436473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131093960741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 181035 + ... + 543103.

Almost surely, 2^131093960761 is an apocalyptic number.

131093960761 is the 362069-th square number.

131093960761 is the 181035-th centered octagonal number.

It is an amenable number.

131093960761 is a deficient number, since it is larger than the sum of its proper divisors (362070).

131093960761 is an frugal number, since it uses more digits than its factorization.

131093960761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724138 (or 362069 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 131093960761 in words is "one hundred thirty-one billion, ninety-three million, nine hundred sixty thousand, seven hundred sixty-one".