3121135422 has 8 divisors (see below), whose sum is σ = 6242270856. Its totient is φ = 1040378472.

The previous prime is 3121135399. The next prime is 3121135441. The reversal of 3121135422 is 2245311213.

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

3121135422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3121135392 and 3121135401.

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, 260094613 + ... + 260094624.

It is an arithmetic number, because the mean of its divisors is an integer number (780283857).

Almost surely, 2^3121135422 is an apocalyptic number.

3121135422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3121135422 is a wasteful number, since it uses less digits than its factorization.

3121135422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520189242.

The product of its digits is 1440, while the sum is 24.

The square root of 3121135422 is about 55867.1229078427. The cubic root of 3121135422 is about 1461.4059487881.

Adding to 3121135422 its reverse (2245311213), we get a palindrome (5366446635).

The spelling of 3121135422 in words is "three billion, one hundred twenty-one million, one hundred thirty-five thousand, four hundred twenty-two".