431201242202 has 8 divisors (see below), whose sum is σ = 646808605716. Its totient is φ = 215598373632.

The previous prime is 431201242193. The next prime is 431201242247. The reversal of 431201242202 is 202242102134.

It can be written as a sum of positive squares in 2 ways, for example, as 340298389201 + 90902853001 = 583351^2 + 301501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×431201242202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872693 + ... + 1274360.

Almost surely, 2^431201242202 is an apocalyptic number.

431201242202 is a deficient number, since it is larger than the sum of its proper divisors (215607363514).

431201242202 is a wasteful number, since it uses less digits than its factorization.

431201242202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247472.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 431201242202 its reverse (202242102134), we get a palindrome (633443344336).

The spelling of 431201242202 in words is "four hundred thirty-one billion, two hundred one million, two hundred forty-two thousand, two hundred two".