214021040544431 has 2 divisors, whose sum is σ = 214021040544432. Its totient is φ = 214021040544430.

The previous prime is 214021040544403. The next prime is 214021040544449. The reversal of 214021040544431 is 134445040120412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214021040544431 - 2¹⁴ = 214021040528047 is a prime.

It is a super-2 number, since 2×214021040544431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214021040544391 and 214021040544400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214021040544461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107010520272215 + 107010520272216.

It is an arithmetic number, because the mean of its divisors is an integer number (107010520272216).

Almost surely, 2^{214021040544431} is an apocalyptic number.

214021040544431 is a deficient number, since it is larger than the sum of its proper divisors (1).

214021040544431 is an equidigital number, since it uses as much as digits as its factorization.

214021040544431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 214021040544431 its reverse (134445040120412), we get a palindrome (348466080664843).

The spelling of 214021040544431 in words is "two hundred fourteen trillion, twenty-one billion, forty million, five hundred forty-four thousand, four hundred thirty-one".