120240231513 has 16 divisors (see below), whose sum is σ = 162802022400. Its totient is φ = 78924952080.

The previous prime is 120240231509. The next prime is 120240231521. The reversal of 120240231513 is 315132042021.

It is not a de Polignac number, because 120240231513 - 2² = 120240231509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120240231563) 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, 621523 + ... + 791688.

It is an arithmetic number, because the mean of its divisors is an integer number (10175126400).

Almost surely, 2^120240231513 is an apocalyptic number.

It is an amenable number.

120240231513 is a deficient number, since it is larger than the sum of its proper divisors (42561790887).

120240231513 is a wasteful number, since it uses less digits than its factorization.

120240231513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413652.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 120240231513 its reverse (315132042021), we get a palindrome (435372273534).

The spelling of 120240231513 in words is "one hundred twenty billion, two hundred forty million, two hundred thirty-one thousand, five hundred thirteen".