100020310431 has 8 divisors (see below), whose sum is σ = 133367400624. Its totient is φ = 66676713600.

The previous prime is 100020310393. The next prime is 100020310463. The reversal of 100020310431 is 134013020001.

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

It is not a de Polignac number, because 100020310431 - 2¹⁸ = 100020048287 is a prime.

It is a super-2 number, since 2×100020310431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100020310431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020310471) 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, 805786 + ... + 921591.

It is an arithmetic number, because the mean of its divisors is an integer number (16670925078).

Almost surely, 2^100020310431 is an apocalyptic number.

100020310431 is a deficient number, since it is larger than the sum of its proper divisors (33347090193).

100020310431 is a wasteful number, since it uses less digits than its factorization.

100020310431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746681.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100020310431 its reverse (134013020001), we get a palindrome (234033330432).

The spelling of 100020310431 in words is "one hundred billion, twenty million, three hundred ten thousand, four hundred thirty-one".