1003431401121 has 8 divisors (see below), whose sum is σ = 1343650632480. Its totient is φ = 666083218592.

The previous prime is 1003431401111. The next prime is 1003431401131. The reversal of 1003431401121 is 1211041343001.

It is an interprime number because it is at equal distance from previous prime (1003431401111) and next prime (1003431401131).

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 1003431401121 - 2³⁰ = 1002357659297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003431401101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717761391 + ... + 717762788.

It is an arithmetic number, because the mean of its divisors is an integer number (167956329060).

Almost surely, 2^{1003431401121} is an apocalyptic number.

It is an amenable number.

1003431401121 is a deficient number, since it is larger than the sum of its proper divisors (340219231359).

1003431401121 is a wasteful number, since it uses less digits than its factorization.

1003431401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435524415.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1003431401121 its reverse (1211041343001), we get a palindrome (2214472744122).

The spelling of 1003431401121 in words is "one trillion, three billion, four hundred thirty-one million, four hundred one thousand, one hundred twenty-one".