100331232130 has 16 divisors (see below), whose sum is σ = 182194416504. Its totient is φ = 39777337600.

The previous prime is 100331232121. The next prime is 100331232139. The reversal of 100331232130 is 31232133001.

It is an interprime number because it is at equal distance from previous prime (100331232121) and next prime (100331232139).

It can be written as a sum of positive squares in 4 ways, for example, as 72200227401 + 28131004729 = 268701^2 + 167723^2 .

It is a super-2 number, since 2×100331232130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100331232098 and 100331232107.

It is not an unprimeable number, because it can be changed into a prime (100331232139) 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, 44393221 + ... + 44395480.

Almost surely, 2^100331232130 is an apocalyptic number.

100331232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100331232130 is a deficient number, since it is larger than the sum of its proper divisors (81863184374).

100331232130 is a wasteful number, since it uses less digits than its factorization.

100331232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88788821.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100331232130 its reverse (31232133001), we get a palindrome (131563365131).

The spelling of 100331232130 in words is "one hundred billion, three hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty".