1315115310 has 64 divisors (see below), whose sum is σ = 3224136960. Its totient is φ = 343211520.

The previous prime is 1315115299. The next prime is 1315115339. The reversal of 1315115310 is 135115131.

It is a super-2 number, since 2×1315115310² = 3459056557192792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425029 + ... + 428111.

It is an arithmetic number, because the mean of its divisors is an integer number (50377140).

Almost surely, 2^1315115310 is an apocalyptic number.

1315115310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315115310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612068480).

1315115310 is an abundant number, since it is smaller than the sum of its proper divisors (1909021650).

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

1315115310 is a wasteful number, since it uses less digits than its factorization.

1315115310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1315115310 is about 36264.5186097927. The cubic root of 1315115310 is about 1095.6065278883.

The spelling of 1315115310 in words is "one billion, three hundred fifteen million, one hundred fifteen thousand, three hundred ten".