203212120334131 has 4 divisors (see below), whose sum is σ = 205307090646952. Its totient is φ = 201117150021312.

The previous prime is 203212120334123. The next prime is 203212120334137. The reversal of 203212120334131 is 131433021212302.

203212120334131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203212120334131 - 2³ = 203212120334123 is a prime.

It is a super-2 number, since 2×203212120334131² (a number of 29 digits) contains 22 as substring.

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 203212120334131.

It is not an unprimeable number, because it can be changed into a prime (203212120334137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047485156265 + ... + 1047485156458.

It is an arithmetic number, because the mean of its divisors is an integer number (51326772661738).

Almost surely, 2^{203212120334131} is an apocalyptic number.

203212120334131 is a deficient number, since it is larger than the sum of its proper divisors (2094970312821).

203212120334131 is an equidigital number, since it uses as much as digits as its factorization.

203212120334131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094970312820.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 203212120334131 its reverse (131433021212302), we get a palindrome (334645141546433).

The spelling of 203212120334131 in words is "two hundred three trillion, two hundred twelve billion, one hundred twenty million, three hundred thirty-four thousand, one hundred thirty-one".