131140969723 has 2 divisors, whose sum is σ = 131140969724. Its totient is φ = 131140969722.

The previous prime is 131140969697. The next prime is 131140969741. The reversal of 131140969723 is 327969041131.

It is a strong prime.

It is an emirp because it is prime and its reverse (327969041131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131140969723 - 2¹³ = 131140961531 is a prime.

It is not a weakly prime, because it can be changed into another prime (131140969123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65570484861 + 65570484862.

It is an arithmetic number, because the mean of its divisors is an integer number (65570484862).

Almost surely, 2^131140969723 is an apocalyptic number.

131140969723 is a deficient number, since it is larger than the sum of its proper divisors (1).

131140969723 is an equidigital number, since it uses as much as digits as its factorization.

131140969723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 131140969723 in words is "one hundred thirty-one billion, one hundred forty million, nine hundred sixty-nine thousand, seven hundred twenty-three".