120313431 has 64 divisors (see below), whose sum is σ = 214118400. Its totient is φ = 66134880.

The previous prime is 120313429. The next prime is 120313433. The reversal of 120313431 is 134313021.

It is an interprime number because it is at equal distance from previous prime (120313429) and next prime (120313433).

It is not a de Polignac number, because 120313431 - 2¹ = 120313429 is a prime.

It is a super-2 number, since 2×120313431² = 28950643357983522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120313433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 443826 + ... + 444096.

It is an arithmetic number, because the mean of its divisors is an integer number (3345600).

Almost surely, 2^120313431 is an apocalyptic number.

120313431 is a deficient number, since it is larger than the sum of its proper divisors (93804969).

120313431 is an frugal number, since it uses more digits than its factorization.

120313431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 120313431 is about 10968.7479230767. The cubic root of 120313431 is about 493.6714789197.

Adding to 120313431 its reverse (134313021), we get a palindrome (254626452).

The spelling of 120313431 in words is "one hundred twenty million, three hundred thirteen thousand, four hundred thirty-one".