203311022100432 has 40 divisors (see below), whose sum is σ = 528121909180320. Its totient is φ = 67395918925440.

The previous prime is 203311022100421. The next prime is 203311022100451. The reversal of 203311022100432 is 234001220113302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 11700671682 + ... + 11700689057.

It is an arithmetic number, because the mean of its divisors is an integer number (13203047729508).

Almost surely, 2^{203311022100432} is an apocalyptic number.

It is an amenable number.

203311022100432 is an abundant number, since it is smaller than the sum of its proper divisors (324810887079888).

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

203311022100432 is a wasteful number, since it uses less digits than its factorization.

203311022100432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23401360931 (or 23401360925 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203311022100432 its reverse (234001220113302), we get a palindrome (437312242213734).

The spelling of 203311022100432 in words is "two hundred three trillion, three hundred eleven billion, twenty-two million, one hundred thousand, four hundred thirty-two".