311253116 has 6 divisors (see below), whose sum is σ = 544692960. Its totient is φ = 155626556.

The previous prime is 311253091. The next prime is 311253121. The reversal of 311253116 is 611352113.

It is a junction number, because it is equal to n+sod(n) for n = 311253091 and 311253100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38906636 + ... + 38906643.

It is an arithmetic number, because the mean of its divisors is an integer number (90782160).

Almost surely, 2^311253116 is an apocalyptic number.

It is an amenable number.

311253116 is a deficient number, since it is larger than the sum of its proper divisors (233439844).

311253116 is a wasteful number, since it uses less digits than its factorization.

311253116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77813283 (or 77813281 counting only the distinct ones).

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

The square root of 311253116 is about 17642.3670747437. The cubic root of 311253116 is about 677.7006507079.

The spelling of 311253116 in words is "three hundred eleven million, two hundred fifty-three thousand, one hundred sixteen".