311311130103 has 6 divisors (see below), whose sum is σ = 449671632384. Its totient is φ = 207540753396.

The previous prime is 311311130101. The next prime is 311311130131. The reversal of 311311130103 is 301031113113.

311311130103 is a `hidden beast` number, since 311 + 311 + 1 + 30 + 10 + 3 = 666.

It is not a de Polignac number, because 311311130103 - 2¹ = 311311130101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311311130101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17295062775 + ... + 17295062792.

It is an arithmetic number, because the mean of its divisors is an integer number (74945272064).

Almost surely, 2^311311130103 is an apocalyptic number.

311311130103 is a deficient number, since it is larger than the sum of its proper divisors (138360502281).

311311130103 is a wasteful number, since it uses less digits than its factorization.

311311130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34590125573 (or 34590125570 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 311311130103 its reverse (301031113113), we get a palindrome (612342243216).

The spelling of 311311130103 in words is "three hundred eleven billion, three hundred eleven million, one hundred thirty thousand, one hundred three".