103030312111331 has 4 divisors (see below), whose sum is σ = 112396704121464. Its totient is φ = 93663920101200.

The previous prime is 103030312111319. The next prime is 103030312111339. The reversal of 103030312111331 is 133111213030301.

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

It is a cyclic number.

It is not a de Polignac number, because 103030312111331 - 2⁶ = 103030312111267 is a prime.

It is a super-2 number, since 2×103030312111331² (a number of 29 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 = 103030312111297 and 103030312111306.

It is not an unprimeable number, because it can be changed into a prime (103030312111339) 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, 4683196005050 + ... + 4683196005071.

It is an arithmetic number, because the mean of its divisors is an integer number (28099176030366).

Almost surely, 2^{103030312111331} is an apocalyptic number.

103030312111331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103030312111331 is a deficient number, since it is larger than the sum of its proper divisors (9366392010133).

103030312111331 is an equidigital number, since it uses as much as digits as its factorization.

103030312111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366392010132.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 103030312111331 its reverse (133111213030301), we get a palindrome (236141525141632).

The spelling of 103030312111331 in words is "one hundred three trillion, thirty billion, three hundred twelve million, one hundred eleven thousand, three hundred thirty-one".