202232144431 has 8 divisors (see below), whose sum is σ = 202720220640. Its totient is φ = 201744410592.

The previous prime is 202232144419. The next prime is 202232144441. The reversal of 202232144431 is 134441232202.

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-202232144431 is a prime.

It is a super-2 number, since 2×202232144431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202232144431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202232144441) 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, 1117521 + ... + 1285813.

It is an arithmetic number, because the mean of its divisors is an integer number (25340027580).

Almost surely, 2^202232144431 is an apocalyptic number.

202232144431 is a deficient number, since it is larger than the sum of its proper divisors (488076209).

202232144431 is a wasteful number, since it uses less digits than its factorization.

202232144431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171185.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202232144431 its reverse (134441232202), we get a palindrome (336673376633).

The spelling of 202232144431 in words is "two hundred two billion, two hundred thirty-two million, one hundred forty-four thousand, four hundred thirty-one".