214311333431 has 12 divisors (see below), whose sum is σ = 235002480480. Its totient is φ = 195321709440.

The previous prime is 214311333377. The next prime is 214311333461. The reversal of 214311333431 is 134333113412.

It is a de Polignac number, because none of the positive numbers 2^k-214311333431 is a prime.

It is a super-2 number, since 2×214311333431² (a number of 23 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 = 214311333394 and 214311333403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214311333461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8012690 + ... + 8039391.

It is an arithmetic number, because the mean of its divisors is an integer number (19583540040).

Almost surely, 2^214311333431 is an apocalyptic number.

214311333431 is a deficient number, since it is larger than the sum of its proper divisors (20691147049).

214311333431 is a wasteful number, since it uses less digits than its factorization.

214311333431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052186 (or 16052173 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

Adding to 214311333431 its reverse (134333113412), we get a palindrome (348644446843).

The spelling of 214311333431 in words is "two hundred fourteen billion, three hundred eleven million, three hundred thirty-three thousand, four hundred thirty-one".