313021625952 has 144 divisors (see below), whose sum is σ = 956097544752. Its totient is φ = 89410083840.

The previous prime is 313021625951. The next prime is 313021625981. The reversal of 313021625952 is 259526120313.

It is a self number, because there is not a number n which added to its sum of digits gives 313021625952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313021625951) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 23386302 + ... + 23399682.

It is an arithmetic number, because the mean of its divisors is an integer number (6639566283).

Almost surely, 2^313021625952 is an apocalyptic number.

313021625952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313021625952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478048772376).

313021625952 is an abundant number, since it is smaller than the sum of its proper divisors (643075918800).

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

313021625952 is a wasteful number, since it uses less digits than its factorization.

313021625952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18381 (or 18366 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 313021625952 in words is "three hundred thirteen billion, twenty-one million, six hundred twenty-five thousand, nine hundred fifty-two".