3113945400 has 96 divisors (see below), whose sum is σ = 9686723760. Its totient is φ = 827504640.

The previous prime is 3113945377. The next prime is 3113945423. The reversal of 3113945400 is 45493113.

It is an interprime number because it is at equal distance from previous prime (3113945377) and next prime (3113945423).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166944 + ... + 184656.

Almost surely, 2^3113945400 is an apocalyptic number.

3113945400 is a gapful number since it is divisible by the number (30) 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 3113945400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4843361880).

3113945400 is an abundant number, since it is smaller than the sum of its proper divisors (6572778360).

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

3113945400 is a wasteful number, since it uses less digits than its factorization.

3113945400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025 (or 18016 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3113945400 is about 55802.7364920395. The cubic root of 3113945400 is about 1460.2828938279.

The spelling of 3113945400 in words is "three billion, one hundred thirteen million, nine hundred forty-five thousand, four hundred".