302313031123 has 6 divisors (see below), whose sum is σ = 305112002244. Its totient is φ = 299539505304.

The previous prime is 302313031103. The next prime is 302313031147. The reversal of 302313031123 is 321130313203.

It is not a de Polignac number, because 302313031123 - 2⁹ = 302313030611 is a prime.

It is a super-2 number, since 2×302313031123² (a number of 24 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 = 302313031094 and 302313031103.

It is not an unprimeable number, because it can be changed into a prime (302313031103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12710661 + ... + 12734422.

It is an arithmetic number, because the mean of its divisors is an integer number (50852000374).

Almost surely, 2^302313031123 is an apocalyptic number.

302313031123 is a deficient number, since it is larger than the sum of its proper divisors (2798971121).

302313031123 is an equidigital number, since it uses as much as digits as its factorization.

302313031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25445301 (or 25445192 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 302313031123 its reverse (321130313203), we get a palindrome (623443344326).

The spelling of 302313031123 in words is "three hundred two billion, three hundred thirteen million, thirty-one thousand, one hundred twenty-three".