1310252280 has 32 divisors (see below), whose sum is σ = 3930757200. Its totient is φ = 349400576.

The previous prime is 1310252261. The next prime is 1310252287. The reversal of 1310252280 is 822520131.

It is a super-2 number, since 2×1310252280² = 3433522074490396800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1310252280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310252287) 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, 5459265 + ... + 5459504.

Almost surely, 2^1310252280 is an apocalyptic number.

1310252280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310252280 is an abundant number, since it is smaller than the sum of its proper divisors (2620504920).

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

1310252280 is a wasteful number, since it uses less digits than its factorization.

1310252280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918783 (or 10918779 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1310252280 is about 36197.4070894588. The cubic root of 1310252280 is about 1094.2544162407.

The spelling of 1310252280 in words is "one billion, three hundred ten million, two hundred fifty-two thousand, two hundred eighty".