103231031111 has 8 divisors (see below), whose sum is σ = 111181544544. Its totient is φ = 95281898400.

The previous prime is 103231031089. The next prime is 103231031131. The reversal of 103231031111 is 111130132301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-103231031111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103231031111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103231031131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187211 + ... + 491436.

It is an arithmetic number, because the mean of its divisors is an integer number (13897693068).

Almost surely, 2^103231031111 is an apocalyptic number.

103231031111 is a deficient number, since it is larger than the sum of its proper divisors (7950513433).

103231031111 is a wasteful number, since it uses less digits than its factorization.

103231031111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690361.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103231031111 its reverse (111130132301), we get a palindrome (214361163412).

The spelling of 103231031111 in words is "one hundred three billion, two hundred thirty-one million, thirty-one thousand, one hundred eleven".