311653231103 has 8 divisors (see below), whose sum is σ = 328116412800. Its totient is φ = 295196087448.

The previous prime is 311653231093. The next prime is 311653231129. The reversal of 311653231103 is 301132356113.

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 311653231103 - 2¹² = 311653227007 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 (311653231163) 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, 1403363 + ... + 1610196.

It is an arithmetic number, because the mean of its divisors is an integer number (41014551600).

Almost surely, 2^311653231103 is an apocalyptic number.

311653231103 is a deficient number, since it is larger than the sum of its proper divisors (16463181697).

311653231103 is a wasteful number, since it uses less digits than its factorization.

311653231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019021.

The product of its (nonzero) digits is 4860, while the sum is 29.

Adding to 311653231103 its reverse (301132356113), we get a palindrome (612785587216).

The spelling of 311653231103 in words is "three hundred eleven billion, six hundred fifty-three million, two hundred thirty-one thousand, one hundred three".