1313043132042 has 12 divisors (see below), whose sum is σ = 2844926786130. Its totient is φ = 437681044008.

The previous prime is 1313043131989. The next prime is 1313043132101. The reversal of 1313043132042 is 2402313403131.

It is a happy number.

1313043132042 is a `hidden beast` number, since 1 + 3 + 1 + 304 + 31 + 320 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 853371335961 + 459671796081 = 923781^2 + 677991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1313043131997 and 1313043132015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36473420317 + ... + 36473420352.

Almost surely, 2^{1313043132042} is an apocalyptic number.

1313043132042 is an abundant number, since it is smaller than the sum of its proper divisors (1531883654088).

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

1313043132042 is a wasteful number, since it uses less digits than its factorization.

1313043132042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72946840677 (or 72946840674 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1313043132042 its reverse (2402313403131), we get a palindrome (3715356535173).

The spelling of 1313043132042 in words is "one trillion, three hundred thirteen billion, forty-three million, one hundred thirty-two thousand, forty-two".