3131420416 has 36 divisors (see below), whose sum is σ = 6254345664. Its totient is φ = 1564774400.

The previous prime is 3131420393. The next prime is 3131420429. The reversal of 3131420416 is 6140241313.

It is a super-2 number, since 2×3131420416² = 19611587643483226112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660936 + ... + 665656.

It is an arithmetic number, because the mean of its divisors is an integer number (173731824).

Almost surely, 2^3131420416 is an apocalyptic number.

It is an amenable number.

3131420416 is a deficient number, since it is larger than the sum of its proper divisors (3122925248).

3131420416 is an equidigital number, since it uses as much as digits as its factorization.

3131420416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328 (or 7314 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3131420416 is about 55959.0959183581. The cubic root of 3131420416 is about 1463.0094327364.

Adding to 3131420416 its reverse (6140241313), we get a palindrome (9271661729).

The spelling of 3131420416 in words is "three billion, one hundred thirty-one million, four hundred twenty thousand, four hundred sixteen".