203403341243031 has 8 divisors (see below), whose sum is σ = 278534305125744. Its totient is φ = 131937302427840.

The previous prime is 203403341243027. The next prime is 203403341243041. The reversal of 203403341243031 is 130342143304302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203403341243031 - 2² = 203403341243027 is a prime.

It is a super-2 number, since 2×203403341243031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203403341242983 and 203403341243001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203403341243041) 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, 916231266750 + ... + 916231266971.

It is an arithmetic number, because the mean of its divisors is an integer number (34816788140718).

Almost surely, 2^{203403341243031} is an apocalyptic number.

203403341243031 is a deficient number, since it is larger than the sum of its proper divisors (75130963882713).

203403341243031 is a wasteful number, since it uses less digits than its factorization.

203403341243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832462533761.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 203403341243031 its reverse (130342143304302), we get a palindrome (333745484547333).

The spelling of 203403341243031 in words is "two hundred three trillion, four hundred three billion, three hundred forty-one million, two hundred forty-three thousand, thirty-one".