202426216053431 has 8 divisors (see below), whose sum is σ = 208038891795504. Its totient is φ = 196845704642880.

The previous prime is 202426216053419. The next prime is 202426216053437. The reversal of 202426216053431 is 134350612624202.

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-202426216053431 is a prime.

It is a super-2 number, since 2×202426216053431² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202426216053437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8041070120 + ... + 8041095293.

It is an arithmetic number, because the mean of its divisors is an integer number (26004861474438).

Almost surely, 2^{202426216053431} is an apocalyptic number.

202426216053431 is a deficient number, since it is larger than the sum of its proper divisors (5612675742073).

202426216053431 is a wasteful number, since it uses less digits than its factorization.

202426216053431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16082165761.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 202426216053431 its reverse (134350612624202), we get a palindrome (336776828677633).

The spelling of 202426216053431 in words is "two hundred two trillion, four hundred twenty-six billion, two hundred sixteen million, fifty-three thousand, four hundred thirty-one".