120431121131 has 2 divisors, whose sum is σ = 120431121132. Its totient is φ = 120431121130.

The previous prime is 120431121101. The next prime is 120431121143. The reversal of 120431121131 is 131121134021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120431121131 - 2⁶ = 120431121067 is a prime.

It is a super-2 number, since 2×120431121131² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (120431121101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60215560565 + 60215560566.

It is an arithmetic number, because the mean of its divisors is an integer number (60215560566).

Almost surely, 2^120431121131 is an apocalyptic number.

120431121131 is a deficient number, since it is larger than the sum of its proper divisors (1).

120431121131 is an equidigital number, since it uses as much as digits as its factorization.

120431121131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120431121131 its reverse (131121134021), we get a palindrome (251552255152).

The spelling of 120431121131 in words is "one hundred twenty billion, four hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-one".