100202021031 has 8 divisors (see below), whose sum is σ = 152688793984. Its totient is φ = 57258297720.

The previous prime is 100202020969. The next prime is 100202021057. The reversal of 100202021031 is 130120202001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100202021031 - 2⁹ = 100202020519 is a prime.

It is a super-2 number, since 2×100202021031² (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 = 100202020998 and 100202021016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202021081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2385762385 + ... + 2385762426.

It is an arithmetic number, because the mean of its divisors is an integer number (19086099248).

Almost surely, 2^100202021031 is an apocalyptic number.

100202021031 is a deficient number, since it is larger than the sum of its proper divisors (52486772953).

100202021031 is an equidigital number, since it uses as much as digits as its factorization.

100202021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771524821.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100202021031 its reverse (130120202001), we get a palindrome (230322223032).

The spelling of 100202021031 in words is "one hundred billion, two hundred two million, twenty-one thousand, thirty-one".