100122030031 has 4 divisors (see below), whose sum is σ = 100169460864. Its totient is φ = 100074599200.

The previous prime is 100122030023. The next prime is 100122030103. The reversal of 100122030031 is 130030221001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130030221001 = 54059 ⋅2405339.

It is a cyclic number.

It is not a de Polignac number, because 100122030031 - 2³ = 100122030023 is a prime.

It is a super-2 number, since 2×100122030031² (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 = 100122029993 and 100122030020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122030011) 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, 23712250 + ... + 23716471.

It is an arithmetic number, because the mean of its divisors is an integer number (25042365216).

Almost surely, 2^100122030031 is an apocalyptic number.

100122030031 is a deficient number, since it is larger than the sum of its proper divisors (47430833).

100122030031 is an equidigital number, since it uses as much as digits as its factorization.

100122030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47430832.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100122030031 its reverse (130030221001), we get a palindrome (230152251032).

The spelling of 100122030031 in words is "one hundred billion, one hundred twenty-two million, thirty thousand, thirty-one".