203221334142031 has 8 divisors (see below), whose sum is σ = 203559229707120. Its totient is φ = 202883466168768.

The previous prime is 203221334142011. The next prime is 203221334142059. The reversal of 203221334142031 is 130241433122302.

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

It is a cyclic number.

It is not a de Polignac number, because 203221334142031 - 2²¹ = 203221332044879 is a prime.

It is a super-2 number, since 2×203221334142031² (a number of 29 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 = 203221334141984 and 203221334142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203221334142011) 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, 7871100 + ... + 21642478.

It is an arithmetic number, because the mean of its divisors is an integer number (25444903713390).

Almost surely, 2^{203221334142031} is an apocalyptic number.

203221334142031 is a deficient number, since it is larger than the sum of its proper divisors (337895565089).

203221334142031 is a wasteful number, since it uses less digits than its factorization.

203221334142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795913.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 203221334142031 its reverse (130241433122302), we get a palindrome (333462767264333).

The spelling of 203221334142031 in words is "two hundred three trillion, two hundred twenty-one billion, three hundred thirty-four million, one hundred forty-two thousand, thirty-one".