311040103 has 8 divisors (see below), whose sum is σ = 342815760. Its totient is φ = 279847680.

The previous prime is 311040091. The next prime is 311040157. The reversal of 311040103 is 301040113.

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

It is a cyclic number.

It is not a de Polignac number, because 311040103 - 2⁹ = 311039591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311040703) 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, 144688 + ... + 146821.

It is an arithmetic number, because the mean of its divisors is an integer number (42851970).

Almost surely, 2^311040103 is an apocalyptic number.

311040103 is a deficient number, since it is larger than the sum of its proper divisors (31775657).

311040103 is a wasteful number, since it uses less digits than its factorization.

311040103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291617.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 311040103 is about 17636.3290681479. The cubic root of 311040103 is about 677.5460155835.

Adding to 311040103 its reverse (301040113), we get a palindrome (612080216).

The spelling of 311040103 in words is "three hundred eleven million, forty thousand, one hundred three".