120440140031 has 16 divisors (see below), whose sum is σ = 123986956800. Its totient is φ = 116923435200.

The previous prime is 120440140013. The next prime is 120440140039. The reversal of 120440140031 is 130041044021.

It is a cyclic number.

It is not a de Polignac number, because 120440140031 - 2²² = 120435945727 is a prime.

It is a super-2 number, since 2×120440140031² (a number of 23 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 = 120440139985 and 120440140012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120440140039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9538040 + ... + 9550658.

It is an arithmetic number, because the mean of its divisors is an integer number (7749184800).

Almost surely, 2^120440140031 is an apocalyptic number.

120440140031 is a deficient number, since it is larger than the sum of its proper divisors (3546816769).

120440140031 is a wasteful number, since it uses less digits than its factorization.

120440140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120440140031 its reverse (130041044021), we get a palindrome (250481184052).

The spelling of 120440140031 in words is "one hundred twenty billion, four hundred forty million, one hundred forty thousand, thirty-one".