214543231431 has 16 divisors (see below), whose sum is σ = 295301664768. Its totient is φ = 138407320800.

The previous prime is 214543231429. The next prime is 214543231471. The reversal of 214543231431 is 134132345412.

It is not a de Polignac number, because 214543231431 - 2¹ = 214543231429 is a prime.

It is a super-2 number, since 2×214543231431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214543231392 and 214543231401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214543231471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1970386 + ... + 2076416.

It is an arithmetic number, because the mean of its divisors is an integer number (18456354048).

Almost surely, 2^214543231431 is an apocalyptic number.

214543231431 is a deficient number, since it is larger than the sum of its proper divisors (80758433337).

214543231431 is a wasteful number, since it uses less digits than its factorization.

214543231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127822.

The product of its digits is 34560, while the sum is 33.

Adding to 214543231431 its reverse (134132345412), we get a palindrome (348675576843).

The spelling of 214543231431 in words is "two hundred fourteen billion, five hundred forty-three million, two hundred thirty-one thousand, four hundred thirty-one".