1234431032121 has 48 divisors (see below), whose sum is σ = 2069894514688. Its totient is φ = 694293573600.

The previous prime is 1234431032111. The next prime is 1234431032129. The reversal of 1234431032121 is 1212301344321.

1234431032121 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 4 + 310 + 321 + 21 = 666.

It is not a de Polignac number, because 1234431032121 - 2⁵ = 1234431032089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234431032129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5077266 + ... + 5314836.

Almost surely, 2^{1234431032121} is an apocalyptic number.

It is an amenable number.

1234431032121 is a deficient number, since it is larger than the sum of its proper divisors (835463482567).

1234431032121 is a wasteful number, since it uses less digits than its factorization.

1234431032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238882 (or 238879 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1234431032121 its reverse (1212301344321), we get a palindrome (2446732376442).

The spelling of 1234431032121 in words is "one trillion, two hundred thirty-four billion, four hundred thirty-one million, thirty-two thousand, one hundred twenty-one".