311445430103 has 8 divisors (see below), whose sum is σ = 312522688800. Its totient is φ = 310369337248.

The previous prime is 311445430069. The next prime is 311445430133. The reversal of 311445430103 is 301034544113.

It is a happy number.

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 311445430103 - 2¹⁰ = 311445429079 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 (311445430133) 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, 245453 + ... + 826521.

It is an arithmetic number, because the mean of its divisors is an integer number (39065336100).

Almost surely, 2^311445430103 is an apocalyptic number.

311445430103 is a deficient number, since it is larger than the sum of its proper divisors (1077258697).

311445430103 is a wasteful number, since it uses less digits than its factorization.

311445430103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582921.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 311445430103 its reverse (301034544113), we get a palindrome (612479974216).

The spelling of 311445430103 in words is "three hundred eleven billion, four hundred forty-five million, four hundred thirty thousand, one hundred three".