203142104121431 has 8 divisors (see below), whose sum is σ = 203448681701760. Its totient is φ = 202835545761888.

The previous prime is 203142104121427. The next prime is 203142104121493. The reversal of 203142104121431 is 134121401241302.

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

It is a cyclic number.

It is not a de Polignac number, because 203142104121431 - 2² = 203142104121427 is a prime.

It is a super-2 number, since 2×203142104121431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203142104121394 and 203142104121403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203142104121031) 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, 16419185 + ... + 25997573.

It is an arithmetic number, because the mean of its divisors is an integer number (25431085212720).

Almost surely, 2^{203142104121431} is an apocalyptic number.

203142104121431 is a deficient number, since it is larger than the sum of its proper divisors (306577580329).

203142104121431 is an equidigital number, since it uses as much as digits as its factorization.

203142104121431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610393.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 203142104121431 its reverse (134121401241302), we get a palindrome (337263505362733).

The spelling of 203142104121431 in words is "two hundred three trillion, one hundred forty-two billion, one hundred four million, one hundred twenty-one thousand, four hundred thirty-one".