100202313031 has 4 divisors (see below), whose sum is σ = 105476119000. Its totient is φ = 94928507064.

The previous prime is 100202312983. The next prime is 100202313047. The reversal of 100202313031 is 130313202001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100202313031 - 2³³ = 91612378439 is a prime.

It is a super-2 number, since 2×100202313031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100202312996 and 100202313014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202313091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636902956 + ... + 2636902993.

It is an arithmetic number, because the mean of its divisors is an integer number (26369029750).

Almost surely, 2^100202313031 is an apocalyptic number.

100202313031 is a deficient number, since it is larger than the sum of its proper divisors (5273805969).

100202313031 is an equidigital number, since it uses as much as digits as its factorization.

100202313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273805968.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100202313031 its reverse (130313202001), we get a palindrome (230515515032).

The spelling of 100202313031 in words is "one hundred billion, two hundred two million, three hundred thirteen thousand, thirty-one".