102044091131 has 2 divisors, whose sum is σ = 102044091132. Its totient is φ = 102044091130.

The previous prime is 102044091119. The next prime is 102044091139. The reversal of 102044091131 is 131190440201.

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-102044091131 is a prime.

It is a super-2 number, since 2×102044091131² (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 102044091131.

It is not a weakly prime, because it can be changed into another prime (102044091139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51022045565 + 51022045566.

It is an arithmetic number, because the mean of its divisors is an integer number (51022045566).

Almost surely, 2^102044091131 is an apocalyptic number.

102044091131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102044091131 is an equidigital number, since it uses as much as digits as its factorization.

102044091131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 102044091131 in words is "one hundred two billion, forty-four million, ninety-one thousand, one hundred thirty-one".