100202010131 has 2 divisors, whose sum is σ = 100202010132. Its totient is φ = 100202010130.

The previous prime is 100202010091. The next prime is 100202010137. The reversal of 100202010131 is 131010202001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100202010131 is a prime.

It is a super-2 number, since 2×100202010131² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100202010137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101005065 + 50101005066.

It is an arithmetic number, because the mean of its divisors is an integer number (50101005066).

Almost surely, 2^100202010131 is an apocalyptic number.

100202010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202010131 is an equidigital number, since it uses as much as digits as its factorization.

100202010131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100202010131 its reverse (131010202001), we get a palindrome (231212212132).

The spelling of 100202010131 in words is "one hundred billion, two hundred two million, ten thousand, one hundred thirty-one".