120143031 has 8 divisors (see below), whose sum is σ = 160447104. Its totient is φ = 79967160.

The previous prime is 120143017. The next prime is 120143041. The reversal of 120143031 is 130341021.

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

It is not a de Polignac number, because 120143031 - 2¹⁰ = 120142007 is a prime.

It is a super-2 number, since 2×120143031² = 28868695795733922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120143031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120143041) 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, 29841 + ... + 33626.

It is an arithmetic number, because the mean of its divisors is an integer number (20055888).

Almost surely, 2^120143031 is an apocalyptic number.

120143031 is a deficient number, since it is larger than the sum of its proper divisors (40304073).

120143031 is an equidigital number, since it uses as much as digits as its factorization.

120143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64101.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 120143031 is about 10960.9776480020. The cubic root of 120143031 is about 493.4383063791.

Adding to 120143031 its reverse (130341021), we get a palindrome (250484052).

The spelling of 120143031 in words is "one hundred twenty million, one hundred forty-three thousand, thirty-one".