1831317152 has 48 divisors (see below), whose sum is σ = 4220983872. Its totient is φ = 765703680.

The previous prime is 1831317149. The next prime is 1831317167. The reversal of 1831317152 is 2517131381.

It is a super-2 number, since 2×1831317152² = 6707445022418782208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90518 + ... + 108885.

It is an arithmetic number, because the mean of its divisors is an integer number (87937164).

Almost surely, 2^1831317152 is an apocalyptic number.

It is an amenable number.

1831317152 is an abundant number, since it is smaller than the sum of its proper divisors (2389666720).

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

1831317152 is a wasteful number, since it uses less digits than its factorization.

1831317152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199461 (or 199453 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 1831317152 is about 42793.8915267121. The cubic root of 1831317152 is about 1223.4545891897.

The spelling of 1831317152 in words is "one billion, eight hundred thirty-one million, three hundred seventeen thousand, one hundred fifty-two".