203013001120331 has 32 divisors (see below), whose sum is σ = 215054564419968. Its totient is φ = 191457332674560.

The previous prime is 203013001120327. The next prime is 203013001120339. The reversal of 203013001120331 is 133021100310302.

It is a cyclic number.

It is not a de Polignac number, because 203013001120331 - 2² = 203013001120327 is a prime.

It is a super-2 number, since 2×203013001120331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203013001120339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26508545 + ... + 33297581.

It is an arithmetic number, because the mean of its divisors is an integer number (6720455138124).

Almost surely, 2^{203013001120331} is an apocalyptic number.

203013001120331 is a deficient number, since it is larger than the sum of its proper divisors (12041563299637).

203013001120331 is a wasteful number, since it uses less digits than its factorization.

203013001120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6789351.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 203013001120331 its reverse (133021100310302), we get a palindrome (336034101430633).

The spelling of 203013001120331 in words is "two hundred three trillion, thirteen billion, one million, one hundred twenty thousand, three hundred thirty-one".