203432315401 has 8 divisors (see below), whose sum is σ = 234551545344. Its totient is φ = 172827453120.

The previous prime is 203432315393. The next prime is 203432315453. The reversal of 203432315401 is 104513234302.

It is a happy number.

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

It is not a de Polignac number, because 203432315401 - 2³ = 203432315393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203432315401.

It is not an unprimeable number, because it can be changed into a prime (203432315461) 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, 128591065 + ... + 128592646.

It is an arithmetic number, because the mean of its divisors is an integer number (29318943168).

Almost surely, 2^203432315401 is an apocalyptic number.

It is an amenable number.

203432315401 is a deficient number, since it is larger than the sum of its proper divisors (31119229943).

203432315401 is a wasteful number, since it uses less digits than its factorization.

203432315401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257183831.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 203432315401 its reverse (104513234302), we get a palindrome (307945549703).

The spelling of 203432315401 in words is "two hundred three billion, four hundred thirty-two million, three hundred fifteen thousand, four hundred one".