103031101211 has 4 divisors (see below), whose sum is σ = 103037943624. Its totient is φ = 103024258800.

The previous prime is 103031101171. The next prime is 103031101219. The reversal of 103031101211 is 112101130301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103031101211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103031101219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3398570 + ... + 3428751.

It is an arithmetic number, because the mean of its divisors is an integer number (25759485906).

Almost surely, 2^103031101211 is an apocalyptic number.

103031101211 is a deficient number, since it is larger than the sum of its proper divisors (6842413).

103031101211 is an equidigital number, since it uses as much as digits as its factorization.

103031101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842412.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 103031101211 its reverse (112101130301), we get a palindrome (215132231512).

The spelling of 103031101211 in words is "one hundred three billion, thirty-one million, one hundred one thousand, two hundred eleven".