1312320152 has 48 divisors (see below), whose sum is σ = 2906691480. Its totient is φ = 550617600.

The previous prime is 1312320137. The next prime is 1312320167. The reversal of 1312320152 is 2510232131.

It is an interprime number because it is at equal distance from previous prime (1312320137) and next prime (1312320167).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29249 + ... + 58992.

Almost surely, 2^1312320152 is an apocalyptic number.

It is an amenable number.

1312320152 is an abundant number, since it is smaller than the sum of its proper divisors (1594371328).

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

1312320152 is a wasteful number, since it uses less digits than its factorization.

1312320152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88284 (or 88267 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1312320152 is about 36225.9596422234. The cubic root of 1312320152 is about 1094.8297733061.

Adding to 1312320152 its reverse (2510232131), we get a palindrome (3822552283).

The spelling of 1312320152 in words is "one billion, three hundred twelve million, three hundred twenty thousand, one hundred fifty-two".