1310120232 has 128 divisors (see below), whose sum is σ = 3577996800. Its totient is φ = 399513600.

The previous prime is 1310120219. The next prime is 1310120239. The reversal of 1310120232 is 2320210131.

It is not an unprimeable number, because it can be changed into a prime (1310120239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4834257 + ... + 4834527.

It is an arithmetic number, because the mean of its divisors is an integer number (27953100).

Almost surely, 2^1310120232 is an apocalyptic number.

1310120232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788998400).

1310120232 is an abundant number, since it is smaller than the sum of its proper divisors (2267876568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310120232 is a wasteful number, since it uses less digits than its factorization.

1310120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 334 counting only the distinct ones).

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

The square root of 1310120232 is about 36195.5830454491. The cubic root of 1310120232 is about 1094.2176551365.

Adding to 1310120232 its reverse (2320210131), we get a palindrome (3630330363).

It can be divided in two parts, 13101 and 20232, that added together give a palindrome (33333).

The spelling of 1310120232 in words is "one billion, three hundred ten million, one hundred twenty thousand, two hundred thirty-two".