3130220111232 has 32 divisors (see below), whose sum is σ = 8314647171480. Its totient is φ = 1043406703616.

The previous prime is 3130220111231. The next prime is 3130220111237. The reversal of 3130220111232 is 2321110220313.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×3130220111232² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3130220111199 and 3130220111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130220111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4075807053 + ... + 4075807820.

Almost surely, 2^{3130220111232} is an apocalyptic number.

3130220111232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3130220111232 is an abundant number, since it is smaller than the sum of its proper divisors (5184427060248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3130220111232 is an equidigital number, since it uses as much as digits as its factorization.

3130220111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151614890 (or 8151614878 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3130220111232 its reverse (2321110220313), we get a palindrome (5451330331545).

The spelling of 3130220111232 in words is "three trillion, one hundred thirty billion, two hundred twenty million, one hundred eleven thousand, two hundred thirty-two".