103020232313 has 4 divisors (see below), whose sum is σ = 105532920948. Its totient is φ = 100507543680.

The previous prime is 103020232309. The next prime is 103020232321. The reversal of 103020232313 is 313232020301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52519805584 + 50500426729 = 229172^2 + 224723^2 .

It is a cyclic number.

It is not a de Polignac number, because 103020232313 - 2² = 103020232309 is a prime.

It is a super-2 number, since 2×103020232313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103020262313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256344256 + ... + 1256344337.

It is an arithmetic number, because the mean of its divisors is an integer number (26383230237).

Almost surely, 2^103020232313 is an apocalyptic number.

It is an amenable number.

103020232313 is a deficient number, since it is larger than the sum of its proper divisors (2512688635).

103020232313 is an equidigital number, since it uses as much as digits as its factorization.

103020232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512688634.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 103020232313 its reverse (313232020301), we get a palindrome (416252252614).

The spelling of 103020232313 in words is "one hundred three billion, twenty million, two hundred thirty-two thousand, three hundred thirteen".