203132021322 has 16 divisors (see below), whose sum is σ = 423927696960. Its totient is φ = 64766731392.

The previous prime is 203132021249. The next prime is 203132021329. The reversal of 203132021322 is 223120231302.

It is a happy number.

203132021322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203132021322² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203132021329) 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, 735985447 + ... + 735985722.

It is an arithmetic number, because the mean of its divisors is an integer number (26495481060).

Almost surely, 2^203132021322 is an apocalyptic number.

203132021322 is an abundant number, since it is smaller than the sum of its proper divisors (220795675638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203132021322 is a wasteful number, since it uses less digits than its factorization.

203132021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471971197.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203132021322 its reverse (223120231302), we get a palindrome (426252252624).

The spelling of 203132021322 in words is "two hundred three billion, one hundred thirty-two million, twenty-one thousand, three hundred twenty-two".