120231030131 has 4 divisors (see below), whose sum is σ = 120575532000. Its totient is φ = 119886528264.

The previous prime is 120231030119. The next prime is 120231030151. The reversal of 120231030131 is 131030132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131030132021 = 127 ⋅1031733323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120231030131 is a prime.

It is a super-2 number, since 2×120231030131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120231030151) 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, 172250411 + ... + 172251108.

It is an arithmetic number, because the mean of its divisors is an integer number (30143883000).

Almost surely, 2^120231030131 is an apocalyptic number.

120231030131 is a deficient number, since it is larger than the sum of its proper divisors (344501869).

120231030131 is an equidigital number, since it uses as much as digits as its factorization.

120231030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344501868.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 120231030131 its reverse (131030132021), we get a palindrome (251261162152).

The spelling of 120231030131 in words is "one hundred twenty billion, two hundred thirty-one million, thirty thousand, one hundred thirty-one".