313130421011123 has 4 divisors (see below), whose sum is σ = 313130508961440. Its totient is φ = 313130333060808.

The previous prime is 313130421011117. The next prime is 313130421011129. The reversal of 313130421011123 is 321110124031313.

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

It is an interprime number because it is at equal distance from previous prime (313130421011117) and next prime (313130421011129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313130421011123 is a prime.

It is a super-2 number, since 2×313130421011123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313130421011092 and 313130421011101.

It is not an unprimeable number, because it can be changed into a prime (313130421011129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38399003 + ... + 45833876.

It is an arithmetic number, because the mean of its divisors is an integer number (78282627240360).

Almost surely, 2^{313130421011123} is an apocalyptic number.

313130421011123 is a deficient number, since it is larger than the sum of its proper divisors (87950317).

313130421011123 is an equidigital number, since it uses as much as digits as its factorization.

313130421011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87950316.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 313130421011123 its reverse (321110124031313), we get a palindrome (634240545042436).

The spelling of 313130421011123 in words is "three hundred thirteen trillion, one hundred thirty billion, four hundred twenty-one million, eleven thousand, one hundred twenty-three".