1316172280 has 16 divisors (see below), whose sum is σ = 2961387720. Its totient is φ = 526468896.

The previous prime is 1316172259. The next prime is 1316172293. The reversal of 1316172280 is 822716131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16452114 + ... + 16452193.

Almost surely, 2^1316172280 is an apocalyptic number.

1316172280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316172280 is an abundant number, since it is smaller than the sum of its proper divisors (1645215440).

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

1316172280 is a wasteful number, since it uses less digits than its factorization.

1316172280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32904318 (or 32904314 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1316172280 is about 36279.0887426903. The cubic root of 1316172280 is about 1095.8999655622.

The spelling of 1316172280 in words is "one billion, three hundred sixteen million, one hundred seventy-two thousand, two hundred eighty".