3121310122 has 16 divisors (see below), whose sum is σ = 5351931072. Its totient is φ = 1337425920.

The previous prime is 3121310119. The next prime is 3121310131. The reversal of 3121310122 is 2210131213.

3121310122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3121310096 and 3121310105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55722 + ... + 96682.

It is an arithmetic number, because the mean of its divisors is an integer number (334495692).

Almost surely, 2^3121310122 is an apocalyptic number.

3121310122 is a deficient number, since it is larger than the sum of its proper divisors (2230620950).

3121310122 is a wasteful number, since it uses less digits than its factorization.

3121310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46413.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3121310122 is about 55868.6864173483. The cubic root of 3121310122 is about 1461.4332148116.

Adding to 3121310122 its reverse (2210131213), we get a palindrome (5331441335).

The spelling of 3121310122 in words is "three billion, one hundred twenty-one million, three hundred ten thousand, one hundred twenty-two".