120010031 has 4 divisors (see below), whose sum is σ = 120150600. Its totient is φ = 119869464.

The previous prime is 120010027. The next prime is 120010043. The reversal of 120010031 is 130010021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130010021 = 4723 ⋅27527.

It is a cyclic number.

It is not a de Polignac number, because 120010031 - 2² = 120010027 is a prime.

It is a super-2 number, since 2×120010031² = 28804815081241922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010831) 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, 68996 + ... + 70713.

It is an arithmetic number, because the mean of its divisors is an integer number (30037650).

Almost surely, 2^120010031 is an apocalyptic number.

120010031 is a deficient number, since it is larger than the sum of its proper divisors (140569).

120010031 is an equidigital number, since it uses as much as digits as its factorization.

120010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140568.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 120010031 is about 10954.9089909501. The cubic root of 120010031 is about 493.2561581350.

Adding to 120010031 its reverse (130010021), we get a palindrome (250020052).

The spelling of 120010031 in words is "one hundred twenty million, ten thousand, thirty-one".