212203113431 has 8 divisors (see below), whose sum is σ = 219956899680. Its totient is φ = 204478423072.

The previous prime is 212203113319. The next prime is 212203113443. The reversal of 212203113431 is 134311302212.

212203113431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212203113431 is a prime.

It is a super-2 number, since 2×212203113431² (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 = 212203113397 and 212203113406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212203112431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7259120 + ... + 7288293.

It is an arithmetic number, because the mean of its divisors is an integer number (27494612460).

Almost surely, 2^212203113431 is an apocalyptic number.

212203113431 is a deficient number, since it is larger than the sum of its proper divisors (7753786249).

212203113431 is a wasteful number, since it uses less digits than its factorization.

212203113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547945.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212203113431 its reverse (134311302212), we get a palindrome (346514415643).

The spelling of 212203113431 in words is "two hundred twelve billion, two hundred three million, one hundred thirteen thousand, four hundred thirty-one".