1313209352 has 64 divisors (see below), whose sum is σ = 3128294400. Its totient is φ = 502744320.

The previous prime is 1313209333. The next prime is 1313209363. The reversal of 1313209352 is 2539023131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6527 + ... + 51662.

It is an arithmetic number, because the mean of its divisors is an integer number (48879600).

Almost surely, 2^1313209352 is an apocalyptic number.

It is an amenable number.

1313209352 is an abundant number, since it is smaller than the sum of its proper divisors (1815085048).

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

1313209352 is a wasteful number, since it uses less digits than its factorization.

1313209352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58246 (or 58242 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1313209352 is about 36238.2305307530. The cubic root of 1313209352 is about 1095.0769952045.

The spelling of 1313209352 in words is "one billion, three hundred thirteen million, two hundred nine thousand, three hundred fifty-two".