16214261431 has 4 divisors (see below), whose sum is σ = 16609731264. Its totient is φ = 15818791600.

The previous prime is 16214261419. The next prime is 16214261443. The reversal of 16214261431 is 13416241261.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16214261419) and next prime (16214261443).

It is a cyclic number.

It is not a de Polignac number, because 16214261431 - 2⁹ = 16214260919 is a prime.

It is a super-2 number, since 2×16214261431² (a number of 21 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 = 16214261393 and 16214261402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16214201431) 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 3 ways as a sum of consecutive naturals, for example, 197734855 + ... + 197734936.

It is an arithmetic number, because the mean of its divisors is an integer number (4152432816).

Almost surely, 2^16214261431 is an apocalyptic number.

16214261431 is a deficient number, since it is larger than the sum of its proper divisors (395469833).

16214261431 is an equidigital number, since it uses as much as digits as its factorization.

16214261431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395469832.

The product of its digits is 6912, while the sum is 31.

The spelling of 16214261431 in words is "sixteen billion, two hundred fourteen million, two hundred sixty-one thousand, four hundred thirty-one".