30122031313 has 4 divisors (see below), whose sum is σ = 32860397808. Its totient is φ = 27383664820.

The previous prime is 30122031307. The next prime is 30122031341. The reversal of 30122031313 is 31313022103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31313022103 = 11 ⋅2846638373.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30122031313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122031613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369183231 + ... + 1369183252.

It is an arithmetic number, because the mean of its divisors is an integer number (8215099452).

Almost surely, 2^30122031313 is an apocalyptic number.

It is an amenable number.

30122031313 is a deficient number, since it is larger than the sum of its proper divisors (2738366495).

30122031313 is a wasteful number, since it uses less digits than its factorization.

30122031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738366494.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30122031313 its reverse (31313022103), we get a palindrome (61435053416).

The spelling of 30122031313 in words is "thirty billion, one hundred twenty-two million, thirty-one thousand, three hundred thirteen".