203122404003430 has 16 divisors (see below), whose sum is σ = 365632091989920. Its totient is φ = 81246347204992.

The previous prime is 203122404003419. The next prime is 203122404003439. The reversal of 203122404003430 is 34300404221302.

It is a super-2 number, since 2×203122404003430² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122404003439) 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, 326473219 + ... + 327094798.

It is an arithmetic number, because the mean of its divisors is an integer number (22852005749370).

Almost surely, 2^{203122404003430} is an apocalyptic number.

203122404003430 is a deficient number, since it is larger than the sum of its proper divisors (162509687986490).

203122404003430 is a wasteful number, since it uses less digits than its factorization.

203122404003430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653599103.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203122404003430 its reverse (34300404221302), we get a palindrome (237422808224732).

The spelling of 203122404003430 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred four million, three thousand, four hundred thirty".