1310443172 has 6 divisors (see below), whose sum is σ = 2293275558. Its totient is φ = 655221584.

The previous prime is 1310443153. The next prime is 1310443207. The reversal of 1310443172 is 2713440131.

It can be written as a sum of positive squares in only one way, i.e., 1221782116 + 88661056 = 34954^2 + 9416^2 .

It is a super-2 number, since 2×1310443172² = 3434522614082843168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163805393 + ... + 163805400.

It is an arithmetic number, because the mean of its divisors is an integer number (382212593).

Almost surely, 2^1310443172 is an apocalyptic number.

It is an amenable number.

1310443172 is a deficient number, since it is larger than the sum of its proper divisors (982832386).

1310443172 is a wasteful number, since it uses less digits than its factorization.

1310443172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327610797 (or 327610795 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1310443172 is about 36200.0438121282. The cubic root of 1310443172 is about 1094.3075546766.

The spelling of 1310443172 in words is "one billion, three hundred ten million, four hundred forty-three thousand, one hundred seventy-two".