131444375107 has 2 divisors, whose sum is σ = 131444375108. Its totient is φ = 131444375106.

The previous prime is 131444375089. The next prime is 131444375131. The reversal of 131444375107 is 701573444131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131444375107 is a prime.

It is a super-2 number, since 2×131444375107² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131444375107.

It is not a weakly prime, because it can be changed into another prime (131444375177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65722187553 + 65722187554.

It is an arithmetic number, because the mean of its divisors is an integer number (65722187554).

Almost surely, 2^131444375107 is an apocalyptic number.

131444375107 is a deficient number, since it is larger than the sum of its proper divisors (1).

131444375107 is an equidigital number, since it uses as much as digits as its factorization.

131444375107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 131444375107 in words is "one hundred thirty-one billion, four hundred forty-four million, three hundred seventy-five thousand, one hundred seven".