313012481 has 4 divisors (see below), whose sum is σ = 314019264. Its totient is φ = 312005700.

The previous prime is 313012471. The next prime is 313012507. The reversal of 313012481 is 184210313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184210313 = 7 ⋅26315759.

It is a cyclic number.

It is not a de Polignac number, because 313012481 - 2⁶ = 313012417 is a prime.

It is a super-2 number, since 2×313012481² = 195953626523550722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313012471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502925 + ... + 503546.

It is an arithmetic number, because the mean of its divisors is an integer number (78504816).

Almost surely, 2^313012481 is an apocalyptic number.

It is an amenable number.

313012481 is a deficient number, since it is larger than the sum of its proper divisors (1006783).

313012481 is a wasteful number, since it uses less digits than its factorization.

313012481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006782.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 313012481 is about 17692.1587433529. The cubic root of 313012481 is about 678.9751582057.

Adding to 313012481 its reverse (184210313), we get a palindrome (497222794).

The spelling of 313012481 in words is "three hundred thirteen million, twelve thousand, four hundred eighty-one".