120131022100431 has 4 divisors (see below), whose sum is σ = 160174696133912. Its totient is φ = 80087348066952.

The previous prime is 120131022100429. The next prime is 120131022100519. The reversal of 120131022100431 is 134001220131021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120131022100431 - 2¹ = 120131022100429 is a prime.

It is a super-2 number, since 2×120131022100431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120131022100398 and 120131022100407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131022150431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20021837016736 + ... + 20021837016741.

It is an arithmetic number, because the mean of its divisors is an integer number (40043674033478).

Almost surely, 2^{120131022100431} is an apocalyptic number.

120131022100431 is a deficient number, since it is larger than the sum of its proper divisors (40043674033481).

120131022100431 is an equidigital number, since it uses as much as digits as its factorization.

120131022100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043674033480.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 120131022100431 its reverse (134001220131021), we get a palindrome (254132242231452).

The spelling of 120131022100431 in words is "one hundred twenty trillion, one hundred thirty-one billion, twenty-two million, one hundred thousand, four hundred thirty-one".