313511612 has 12 divisors (see below), whose sum is σ = 548810136. Its totient is φ = 156708720.

The previous prime is 313511599. The next prime is 313511621. The reversal of 313511612 is 216115313.

313511612 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

313511612 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6287 + ... + 25817.

It is an arithmetic number, because the mean of its divisors is an integer number (45734178).

Almost surely, 2^313511612 is an apocalyptic number.

It is an amenable number.

313511612 is a deficient number, since it is larger than the sum of its proper divisors (235298524).

313511612 is a wasteful number, since it uses less digits than its factorization.

313511612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23548 (or 23546 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 313511612 is about 17706.2591193058. The cubic root of 313511612 is about 679.3358654127.

Adding to 313511612 its reverse (216115313), we get a palindrome (529626925).

The spelling of 313511612 in words is "three hundred thirteen million, five hundred eleven thousand, six hundred twelve".