103211303331 has 4 divisors (see below), whose sum is σ = 137615071112. Its totient is φ = 68807535552.

The previous prime is 103211303323. The next prime is 103211303347. The reversal of 103211303331 is 133303112301.

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

It is not a de Polignac number, because 103211303331 - 2³ = 103211303323 is a prime.

It is a super-2 number, since 2×103211303331² (a number of 23 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 = 103211303298 and 103211303307.

It is not an unprimeable number, because it can be changed into a prime (103211303381) 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, 17201883886 + ... + 17201883891.

It is an arithmetic number, because the mean of its divisors is an integer number (34403767778).

Almost surely, 2^103211303331 is an apocalyptic number.

103211303331 is a deficient number, since it is larger than the sum of its proper divisors (34403767781).

103211303331 is an equidigital number, since it uses as much as digits as its factorization.

103211303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34403767780.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 103211303331 its reverse (133303112301), we get a palindrome (236514415632).

The spelling of 103211303331 in words is "one hundred three billion, two hundred eleven million, three hundred three thousand, three hundred thirty-one".