203140340331 has 4 divisors (see below), whose sum is σ = 270853787112. Its totient is φ = 135426893552.

The previous prime is 203140340303. The next prime is 203140340341. The reversal of 203140340331 is 133043041302.

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 203140340331 - 2⁶ = 203140340267 is a prime.

It is a super-2 number, since 2×203140340331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203140340341) 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, 33856723386 + ... + 33856723391.

It is an arithmetic number, because the mean of its divisors is an integer number (67713446778).

Almost surely, 2^203140340331 is an apocalyptic number.

203140340331 is a deficient number, since it is larger than the sum of its proper divisors (67713446781).

203140340331 is an equidigital number, since it uses as much as digits as its factorization.

203140340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67713446780.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 203140340331 its reverse (133043041302), we get a palindrome (336183381633).

The spelling of 203140340331 in words is "two hundred three billion, one hundred forty million, three hundred forty thousand, three hundred thirty-one".