3131420022 has 12 divisors (see below), whose sum is σ = 6784743420. Its totient is φ = 1043806668.

The previous prime is 3131419999. The next prime is 3131420063. The reversal of 3131420022 is 2200241313.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 173967779 = 3131420022 / (3 + 1 + 3 + 1 + 4 + 2 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 3131419977 and 3131420004.

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 5 ways as a sum of consecutive naturals, for example, 86983872 + ... + 86983907.

It is an arithmetic number, because the mean of its divisors is an integer number (565395285).

Almost surely, 2^3131420022 is an apocalyptic number.

3131420022 is an abundant number, since it is smaller than the sum of its proper divisors (3653323398).

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

3131420022 is a wasteful number, since it uses less digits than its factorization.

3131420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173967787 (or 173967784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3131420022 is about 55959.0923979294. The cubic root of 3131420022 is about 1463.0093713770.

Adding to 3131420022 its reverse (2200241313), we get a palindrome (5331661335).

The spelling of 3131420022 in words is "three billion, one hundred thirty-one million, four hundred twenty thousand, twenty-two".