3131420398 has 8 divisors (see below), whose sum is σ = 4776743160. Its totient is φ = 1539172680.

The previous prime is 3131420393. The next prime is 3131420429. The reversal of 3131420398 is 8930241313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131420393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13268613 + ... + 13268848.

It is an arithmetic number, because the mean of its divisors is an integer number (597092895).

Almost surely, 2^3131420398 is an apocalyptic number.

3131420398 is a deficient number, since it is larger than the sum of its proper divisors (1645322762).

3131420398 is a wasteful number, since it uses less digits than its factorization.

3131420398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26537522.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3131420398 is about 55959.0957575263. The cubic root of 3131420398 is about 1463.0094299331.

The spelling of 3131420398 in words is "three billion, one hundred thirty-one million, four hundred twenty thousand, three hundred ninety-eight".