1313121040232 has 16 divisors (see below), whose sum is σ = 2498849741760. Its totient is φ = 646761109104.

The previous prime is 1313121040213. The next prime is 1313121040241. The reversal of 1313121040232 is 2320401213131.

It is a super-2 number, since 2×1313121040232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313121040198 and 1313121040207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224925808 + ... + 1224926879.

It is an arithmetic number, because the mean of its divisors is an integer number (156178108860).

Almost surely, 2^{1313121040232} is an apocalyptic number.

It is an amenable number.

1313121040232 is a deficient number, since it is larger than the sum of its proper divisors (1185728701528).

1313121040232 is a wasteful number, since it uses less digits than its factorization.

1313121040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449852760 (or 2449852756 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1313121040232 its reverse (2320401213131), we get a palindrome (3633522253363).

The spelling of 1313121040232 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, forty thousand, two hundred thirty-two".