1313031042 has 24 divisors (see below), whose sum is σ = 2846744316. Its totient is φ = 437393376.

The previous prime is 1313031037. The next prime is 1313031053. The reversal of 1313031042 is 2401303131.

1313031042 is a `hidden beast` number, since 1 + 313 + 0 + 310 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1306171881 + 6859161 = 36141^2 + 2619^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5908 + ... + 51584.

Almost surely, 2^1313031042 is an apocalyptic number.

1313031042 is an abundant number, since it is smaller than the sum of its proper divisors (1533713274).

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

1313031042 is a wasteful number, since it uses less digits than its factorization.

1313031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47282 (or 47279 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1313031042 is about 36235.7702001765. The cubic root of 1313031042 is about 1095.0274290996.

Adding to 1313031042 its reverse (2401303131), we get a palindrome (3714334173).

The spelling of 1313031042 in words is "one billion, three hundred thirteen million, thirty-one thousand, forty-two".