100320012331 has 36 divisors (see below), whose sum is σ = 133004058096. Its totient is φ = 74056926240.

The previous prime is 100320012259. The next prime is 100320012413. The reversal of 100320012331 is 133210023001.

It is not a de Polignac number, because 100320012331 - 2¹³ = 100320004139 is a prime.

It is a super-2 number, since 2×100320012331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100320012031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141721 + ... + 469813.

Almost surely, 2^100320012331 is an apocalyptic number.

100320012331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100320012331 is a deficient number, since it is larger than the sum of its proper divisors (32684045765).

100320012331 is a wasteful number, since it uses less digits than its factorization.

100320012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328160 (or 328130 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100320012331 its reverse (133210023001), we get a palindrome (233530035332).

The spelling of 100320012331 in words is "one hundred billion, three hundred twenty million, twelve thousand, three hundred thirty-one".