103312420311 has 4 divisors (see below), whose sum is σ = 137749893752. Its totient is φ = 68874946872.

The previous prime is 103312420307. The next prime is 103312420399. The reversal of 103312420311 is 113024213301.

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

It is not a de Polignac number, because 103312420311 - 2² = 103312420307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312420711) 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, 17218736716 + ... + 17218736721.

It is an arithmetic number, because the mean of its divisors is an integer number (34437473438).

Almost surely, 2^103312420311 is an apocalyptic number.

103312420311 is a deficient number, since it is larger than the sum of its proper divisors (34437473441).

103312420311 is an equidigital number, since it uses as much as digits as its factorization.

103312420311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34437473440.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 103312420311 its reverse (113024213301), we get a palindrome (216336633612).

The spelling of 103312420311 in words is "one hundred three billion, three hundred twelve million, four hundred twenty thousand, three hundred eleven".