131220023330 has 64 divisors (see below), whose sum is σ = 263395514880. Its totient is φ = 46657689600.

The previous prime is 131220023321. The next prime is 131220023359. The reversal of 131220023330 is 33320022131.

131220023330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5825690 + ... + 5848170.

It is an arithmetic number, because the mean of its divisors is an integer number (4115554920).

Almost surely, 2^131220023330 is an apocalyptic number.

131220023330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131220023330 is an abundant number, since it is smaller than the sum of its proper divisors (132175491550).

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

131220023330 is a wasteful number, since it uses less digits than its factorization.

131220023330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23675.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 131220023330 its reverse (33320022131), we get a palindrome (164540045461).

The spelling of 131220023330 in words is "one hundred thirty-one billion, two hundred twenty million, twenty-three thousand, three hundred thirty".