1313522370 has 48 divisors (see below), whose sum is σ = 3447100800. Its totient is φ = 346996512.

The previous prime is 1313522291. The next prime is 1313522401. The reversal of 1313522370 is 732253131.

1313522370 is a `hidden beast` number, since 131 + 3 + 522 + 3 + 7 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58570 + ... + 77829.

It is an arithmetic number, because the mean of its divisors is an integer number (71814600).

Almost surely, 2^1313522370 is an apocalyptic number.

1313522370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313522370 is an abundant number, since it is smaller than the sum of its proper divisors (2133578430).

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

1313522370 is a wasteful number, since it uses less digits than its factorization.

1313522370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136519 (or 136516 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 1313522370 is about 36242.5491653112. The cubic root of 1313522370 is about 1095.1639962042.

The spelling of 1313522370 in words is "one billion, three hundred thirteen million, five hundred twenty-two thousand, three hundred seventy".