3113211456 has 224 divisors, whose sum is σ = 9568281600. Its totient is φ = 991457280.

The previous prime is 3113211421. The next prime is 3113211469. The reversal of 3113211456 is 6541123113.

It is a happy number.

3113211456 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4767226 + ... + 4767878.

Almost surely, 2^3113211456 is an apocalyptic number.

3113211456 is a gapful number since it is divisible by the number (36) 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 3113211456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4784140800).

3113211456 is an abundant number, since it is smaller than the sum of its proper divisors (6455070144).

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

3113211456 is a wasteful number, since it uses less digits than its factorization.

3113211456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 778 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 3113211456 is about 55796.1598678619. The cubic root of 3113211456 is about 1460.1681572751.

Adding to 3113211456 its reverse (6541123113), we get a palindrome (9654334569).

The spelling of 3113211456 in words is "three billion, one hundred thirteen million, two hundred eleven thousand, four hundred fifty-six".