1313522880 has 56 divisors (see below), whose sum is σ = 4170438192. Its totient is φ = 350272512.

The previous prime is 1313522869. The next prime is 1313522887. The reversal of 1313522880 is 882253131.

It is not an unprimeable number, because it can be changed into a prime (1313522887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683167 + ... + 685086.

Almost surely, 2^1313522880 is an apocalyptic number.

1313522880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313522880 is an abundant number, since it is smaller than the sum of its proper divisors (2856915312).

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

1313522880 is a wasteful number, since it uses less digits than its factorization.

1313522880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368273 (or 1368263 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1313522880 is about 36242.5562012394. The cubic root of 1313522880 is about 1095.1641379436.

The spelling of 1313522880 in words is "one billion, three hundred thirteen million, five hundred twenty-two thousand, eight hundred eighty".