100020200131 has 2 divisors, whose sum is σ = 100020200132. Its totient is φ = 100020200130.

The previous prime is 100020200107. The next prime is 100020200141. The reversal of 100020200131 is 131002020001.

It is an a-pointer prime, because the next prime (100020200141) can be obtained adding 100020200131 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100020200131 - 2⁵ = 100020200099 is a prime.

It is a super-2 number, since 2×100020200131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100020200141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010100065 + 50010100066.

It is an arithmetic number, because the mean of its divisors is an integer number (50010100066).

Almost surely, 2^100020200131 is an apocalyptic number.

100020200131 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020200131 is an equidigital number, since it uses as much as digits as its factorization.

100020200131 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 10.

Adding to 100020200131 its reverse (131002020001), we get a palindrome (231022220132).

The spelling of 100020200131 in words is "one hundred billion, twenty million, two hundred thousand, one hundred thirty-one".