311430214433031 has 16 divisors (see below), whose sum is σ = 415716240576000. Its totient is φ = 207382238993088.

The previous prime is 311430214432999. The next prime is 311430214433033. The reversal of 311430214433031 is 130334412034113.

It is not a de Polignac number, because 311430214433031 - 2⁵ = 311430214432999 is a prime.

It is a super-2 number, since 2×311430214433031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311430214432983 and 311430214433001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311430214433033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7816480 + ... + 26152586.

It is an arithmetic number, because the mean of its divisors is an integer number (25982265036000).

Almost surely, 2^{311430214433031} is an apocalyptic number.

311430214433031 is a deficient number, since it is larger than the sum of its proper divisors (104286026142969).

311430214433031 is a wasteful number, since it uses less digits than its factorization.

311430214433031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18342598.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 311430214433031 its reverse (130334412034113), we get a palindrome (441764626467144).

The spelling of 311430214433031 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred fourteen million, four hundred thirty-three thousand, thirty-one".