100031012330 has 16 divisors (see below), whose sum is σ = 180097226280. Its totient is φ = 40003204032.

The previous prime is 100031012311. The next prime is 100031012339. The reversal of 100031012330 is 33210130001.

It can be written as a sum of positive squares in 4 ways, for example, as 98874400249 + 1156612081 = 314443^2 + 34009^2 .

It is a super-2 number, since 2×100031012330² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100031012339) 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, 1104365 + ... + 1191504.

Almost surely, 2^100031012330 is an apocalyptic number.

100031012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100031012330 is a deficient number, since it is larger than the sum of its proper divisors (80066213950).

100031012330 is a wasteful number, since it uses less digits than its factorization.

100031012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300233.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 100031012330 its reverse (33210130001), we get a palindrome (133241142331).

The spelling of 100031012330 in words is "one hundred billion, thirty-one million, twelve thousand, three hundred thirty".