3113451540 has 96 divisors (see below), whose sum is σ = 9697685760. Its totient is φ = 829277568.

The previous prime is 3113451493. The next prime is 3113451577. The reversal of 3113451540 is 451543113.

It is a happy number.

3113451540 is a `hidden beast` number, since 3 + 113 + 4 + 5 + 1 + 540 = 666.

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

It is a congruent number.

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, 535489 + ... + 541271.

It is an arithmetic number, because the mean of its divisors is an integer number (101017560).

Almost surely, 2^3113451540 is an apocalyptic number.

3113451540 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 3113451540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4848842880).

3113451540 is an abundant number, since it is smaller than the sum of its proper divisors (6584234220).

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

3113451540 is a wasteful number, since it uses less digits than its factorization.

3113451540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798 (or 6790 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3113451540 is about 55798.3112647686. The cubic root of 3113451540 is about 1460.2056912927.

Adding to 3113451540 its reverse (451543113), we get a palindrome (3564994653).

The spelling of 3113451540 in words is "three billion, one hundred thirteen million, four hundred fifty-one thousand, five hundred forty".