71749000100131 has 2 divisors, whose sum is σ = 71749000100132. Its totient is φ = 71749000100130.

The previous prime is 71749000100093. The next prime is 71749000100161. The reversal of 71749000100131 is 13100100094717.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71749000100131 is a prime.

It is a super-2 number, since 2×71749000100131² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71749000100161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35874500050065 + 35874500050066.

It is an arithmetic number, because the mean of its divisors is an integer number (35874500050066).

Almost surely, 2^{71749000100131} is an apocalyptic number.

71749000100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

71749000100131 is an equidigital number, since it uses as much as digits as its factorization.

71749000100131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 34.

Adding to 71749000100131 its reverse (13100100094717), we get a palindrome (84849100194848).

The spelling of 71749000100131 in words is "seventy-one trillion, seven hundred forty-nine billion, one hundred thousand, one hundred thirty-one".