311115225023 has 4 divisors (see below), whose sum is σ = 311117443920. Its totient is φ = 311113006128.

The previous prime is 311115225017. The next prime is 311115225037. The reversal of 311115225023 is 320522511113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311115225023 - 2¹⁴ = 311115208639 is a prime.

It is a super-2 number, since 2×311115225023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311115224983 and 311115225001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311115225073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883838 + ... + 1184651.

It is an arithmetic number, because the mean of its divisors is an integer number (77779360980).

Almost surely, 2^311115225023 is an apocalyptic number.

311115225023 is a deficient number, since it is larger than the sum of its proper divisors (2218897).

311115225023 is a wasteful number, since it uses less digits than its factorization.

311115225023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218896.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 311115225023 its reverse (320522511113), we get a palindrome (631637736136).

The spelling of 311115225023 in words is "three hundred eleven billion, one hundred fifteen million, two hundred twenty-five thousand, twenty-three".