103211302331 has 2 divisors, whose sum is σ = 103211302332. Its totient is φ = 103211302330.

The previous prime is 103211302307. The next prime is 103211302423. The reversal of 103211302331 is 133203112301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103211302331 is a prime.

It is a super-2 number, since 2×103211302331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103211302031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605651165 + 51605651166.

It is an arithmetic number, because the mean of its divisors is an integer number (51605651166).

Almost surely, 2^103211302331 is an apocalyptic number.

103211302331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103211302331 is an equidigital number, since it uses as much as digits as its factorization.

103211302331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103211302331 its reverse (133203112301), we get a palindrome (236414414632).

The spelling of 103211302331 in words is "one hundred three billion, two hundred eleven million, three hundred two thousand, three hundred thirty-one".