102001001131 has 2 divisors, whose sum is σ = 102001001132. Its totient is φ = 102001001130.

The previous prime is 102001001111. The next prime is 102001001153. The reversal of 102001001131 is 131100100201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102001001131 is a prime.

It is a super-2 number, since 2×102001001131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102001001111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000500565 + 51000500566.

It is an arithmetic number, because the mean of its divisors is an integer number (51000500566).

Almost surely, 2^102001001131 is an apocalyptic number.

102001001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001001131 is an equidigital number, since it uses as much as digits as its factorization.

102001001131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 102001001131 its reverse (131100100201), we get a palindrome (233101101332).

The spelling of 102001001131 in words is "one hundred two billion, one million, one thousand, one hundred thirty-one".