10120313018 has 4 divisors (see below), whose sum is σ = 15180469530. Its totient is φ = 5060156508.

The previous prime is 10120313017. The next prime is 10120313039. The reversal of 10120313018 is 81031302101.

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., 9455034169 + 665278849 = 97237^2 + 25793^2 .

It is not an unprimeable number, because it can be changed into a prime (10120313017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530078253 + ... + 2530078256.

Almost surely, 2^10120313018 is an apocalyptic number.

10120313018 is a deficient number, since it is larger than the sum of its proper divisors (5060156512).

10120313018 is an equidigital number, since it uses as much as digits as its factorization.

10120313018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060156511.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10120313018 its reverse (81031302101), we get a palindrome (91151615119).

The spelling of 10120313018 in words is "ten billion, one hundred twenty million, three hundred thirteen thousand, eighteen".