100402312031 has 8 divisors (see below), whose sum is σ = 114748066464. Its totient is φ = 86057199360.

The previous prime is 100402312007. The next prime is 100402312079. The reversal of 100402312031 is 130213204001.

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

It is a cyclic number.

It is not a de Polignac number, because 100402312031 - 2¹⁸ = 100402049887 is a prime.

It is a super-2 number, since 2×100402312031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100402315031) 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, 242171 + ... + 509363.

It is an arithmetic number, because the mean of its divisors is an integer number (14343508308).

Almost surely, 2^100402312031 is an apocalyptic number.

100402312031 is a deficient number, since it is larger than the sum of its proper divisors (14345754433).

100402312031 is an equidigital number, since it uses as much as digits as its factorization.

100402312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320881.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100402312031 its reverse (130213204001), we get a palindrome (230615516032).

The spelling of 100402312031 in words is "one hundred billion, four hundred two million, three hundred twelve thousand, thirty-one".