120143034231 has 16 divisors (see below), whose sum is σ = 174772979328. Its totient is φ = 72805845600.

The previous prime is 120143034203. The next prime is 120143034233. The reversal of 120143034231 is 132430341021.

It is a happy number.

It is not a de Polignac number, because 120143034231 - 2¹⁰ = 120143033207 is a prime.

It is a super-2 number, since 2×120143034231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120143034233) 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, 104700 + ... + 501246.

It is an arithmetic number, because the mean of its divisors is an integer number (10923311208).

Almost surely, 2^120143034231 is an apocalyptic number.

120143034231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120143034231 is a deficient number, since it is larger than the sum of its proper divisors (54629945097).

120143034231 is a wasteful number, since it uses less digits than its factorization.

120143034231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405742.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 120143034231 its reverse (132430341021), we get a palindrome (252573375252).

The spelling of 120143034231 in words is "one hundred twenty billion, one hundred forty-three million, thirty-four thousand, two hundred thirty-one".