203133162434 has 16 divisors (see below), whose sum is σ = 311447073600. Its totient is φ = 99329795760.

The previous prime is 203133162433. The next prime is 203133162437. The reversal of 203133162434 is 434261331302.

It is a self number, because there is not a number n which added to its sum of digits gives 203133162434.

It is not an unprimeable number, because it can be changed into a prime (203133162431) 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, 3047984 + ... + 3113915.

It is an arithmetic number, because the mean of its divisors is an integer number (19465442100).

Almost surely, 2^203133162434 is an apocalyptic number.

203133162434 is a deficient number, since it is larger than the sum of its proper divisors (108313911166).

203133162434 is a wasteful number, since it uses less digits than its factorization.

203133162434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162265.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 203133162434 its reverse (434261331302), we get a palindrome (637394493736).

The spelling of 203133162434 in words is "two hundred three billion, one hundred thirty-three million, one hundred sixty-two thousand, four hundred thirty-four".