3121413726 has 16 divisors (see below), whose sum is σ = 6375654144. Its totient is φ = 1018333464.

The previous prime is 3121413719. The next prime is 3121413749. The reversal of 3121413726 is 6273141213.

It is a happy number.

It is a super-2 number, since 2×3121413726² = 19486447297722406152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3121413693 and 3121413702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5534140 + ... + 5534703.

It is an arithmetic number, because the mean of its divisors is an integer number (398478384).

Almost surely, 2^3121413726 is an apocalyptic number.

3121413726 is an abundant number, since it is smaller than the sum of its proper divisors (3254240418).

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

3121413726 is a wasteful number, since it uses less digits than its factorization.

3121413726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068895.

The product of its digits is 6048, while the sum is 30.

The square root of 3121413726 is about 55869.6136195696. The cubic root of 3121413726 is about 1461.4493841599.

Adding to 3121413726 its reverse (6273141213), we get a palindrome (9394554939).

The spelling of 3121413726 in words is "three billion, one hundred twenty-one million, four hundred thirteen thousand, seven hundred twenty-six".