3131420351 has 2 divisors, whose sum is σ = 3131420352. Its totient is φ = 3131420350.

The previous prime is 3131420323. The next prime is 3131420363. The reversal of 3131420351 is 1530241313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131420351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131420311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565710175 + 1565710176.

It is an arithmetic number, because the mean of its divisors is an integer number (1565710176).

Almost surely, 2^3131420351 is an apocalyptic number.

3131420351 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131420351 is an equidigital number, since it uses as much as digits as its factorization.

3131420351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3131420351 is about 55959.0953375767. The cubic root of 3131420351 is about 1463.0094226136.

Adding to 3131420351 its reverse (1530241313), we get a palindrome (4661661664).

The spelling of 3131420351 in words is "three billion, one hundred thirty-one million, four hundred twenty thousand, three hundred fifty-one".