1313505042 has 16 divisors (see below), whose sum is σ = 2676576960. Its totient is φ = 429573872.

The previous prime is 1313505029. The next prime is 1313505071. The reversal of 1313505042 is 2405053131.

1313505042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064942 + ... + 2065577.

It is an arithmetic number, because the mean of its divisors is an integer number (167286060).

Almost surely, 2^1313505042 is an apocalyptic number.

1313505042 is an abundant number, since it is smaller than the sum of its proper divisors (1363071918).

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

1313505042 is a wasteful number, since it uses less digits than its factorization.

1313505042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130577.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1313505042 is about 36242.3101084906. The cubic root of 1313505042 is about 1095.1591803783.

Adding to 1313505042 its reverse (2405053131), we get a palindrome (3718558173).

The spelling of 1313505042 in words is "one billion, three hundred thirteen million, five hundred five thousand, forty-two".