203113132197 has 16 divisors (see below), whose sum is σ = 276489350208. Its totient is φ = 132583243520.

The previous prime is 203113132177. The next prime is 203113132217. The reversal of 203113132197 is 791231311302.

It is an interprime number because it is at equal distance from previous prime (203113132177) and next prime (203113132217).

It is a cyclic number.

It is not a de Polignac number, because 203113132197 - 2¹⁹ = 203112607909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203113132147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222788 + ... + 1378925.

It is an arithmetic number, because the mean of its divisors is an integer number (17280584388).

Almost surely, 2^203113132197 is an apocalyptic number.

It is an amenable number.

203113132197 is a deficient number, since it is larger than the sum of its proper divisors (73376218011).

203113132197 is a wasteful number, since it uses less digits than its factorization.

203113132197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602260.

The product of its (nonzero) digits is 6804, while the sum is 33.

Adding to 203113132197 its reverse (791231311302), we get a palindrome (994344443499).

The spelling of 203113132197 in words is "two hundred three billion, one hundred thirteen million, one hundred thirty-two thousand, one hundred ninety-seven".