203231120402 has 16 divisors (see below), whose sum is σ = 321098496000. Its totient is φ = 96205196880.

The previous prime is 203231120381. The next prime is 203231120419. The reversal of 203231120402 is 204021132302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667474 + ... + 1785197.

It is an arithmetic number, because the mean of its divisors is an integer number (20068656000).

Almost surely, 2^203231120402 is an apocalyptic number.

203231120402 is a deficient number, since it is larger than the sum of its proper divisors (117867375598).

203231120402 is a wasteful number, since it uses less digits than its factorization.

203231120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454241.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203231120402 its reverse (204021132302), we get a palindrome (407252252704).

The spelling of 203231120402 in words is "two hundred three billion, two hundred thirty-one million, one hundred twenty thousand, four hundred two".