313030131122 has 4 divisors (see below), whose sum is σ = 469545196686. Its totient is φ = 156515065560.

The previous prime is 313030131107. The next prime is 313030131131. The reversal of 313030131122 is 221131030313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 157163880721 + 155866250401 = 396439^2 + 394799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313030131094 and 313030131103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78257532779 + ... + 78257532782.

Almost surely, 2^313030131122 is an apocalyptic number.

313030131122 is a deficient number, since it is larger than the sum of its proper divisors (156515065564).

313030131122 is a wasteful number, since it uses less digits than its factorization.

313030131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156515065563.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313030131122 its reverse (221131030313), we get a palindrome (534161161435).

The spelling of 313030131122 in words is "three hundred thirteen billion, thirty million, one hundred thirty-one thousand, one hundred twenty-two".