120345031 has 8 divisors (see below), whose sum is σ = 126817280. Its totient is φ = 113886648.

The previous prime is 120345013. The next prime is 120345061. The reversal of 120345031 is 130543021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120345031 - 2¹⁵ = 120312263 is a prime.

It is a super-2 number, since 2×120345031² = 28965852972781922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120345011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17740 + ... + 23566.

It is an arithmetic number, because the mean of its divisors is an integer number (15852160).

Almost surely, 2^120345031 is an apocalyptic number.

120345031 is a deficient number, since it is larger than the sum of its proper divisors (6472249).

120345031 is a wasteful number, since it uses less digits than its factorization.

120345031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120345031 is about 10970.1882846194. The cubic root of 120345031 is about 493.7146956331.

Adding to 120345031 its reverse (130543021), we get a palindrome (250888052).

The spelling of 120345031 in words is "one hundred twenty million, three hundred forty-five thousand, thirty-one".