100420411631 has 2 divisors, whose sum is σ = 100420411632. Its totient is φ = 100420411630.

The previous prime is 100420411583. The next prime is 100420411667. The reversal of 100420411631 is 136114024001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100420411631 - 2²⁶ = 100353302767 is a prime.

It is a super-2 number, since 2×100420411631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100420411597 and 100420411606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100420411691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210205815 + 50210205816.

It is an arithmetic number, because the mean of its divisors is an integer number (50210205816).

Almost surely, 2^100420411631 is an apocalyptic number.

100420411631 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420411631 is an equidigital number, since it uses as much as digits as its factorization.

100420411631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 100420411631 its reverse (136114024001), we get a palindrome (236534435632).

The spelling of 100420411631 in words is "one hundred billion, four hundred twenty million, four hundred eleven thousand, six hundred thirty-one".