131220424030 has 16 divisors (see below), whose sum is σ = 237031385904. Its totient is φ = 52302697920.

The previous prime is 131220424001. The next prime is 131220424079. The reversal of 131220424030 is 30424022131.

It is a super-2 number, since 2×131220424030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131220423992 and 131220424010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23180991 + ... + 23186650.

It is an arithmetic number, because the mean of its divisors is an integer number (14814461619).

Almost surely, 2^131220424030 is an apocalyptic number.

131220424030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131220424030 is a deficient number, since it is larger than the sum of its proper divisors (105810961874).

131220424030 is a wasteful number, since it uses less digits than its factorization.

131220424030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46367931.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 131220424030 its reverse (30424022131), we get a palindrome (161644446161).

The spelling of 131220424030 in words is "one hundred thirty-one billion, two hundred twenty million, four hundred twenty-four thousand, thirty".