1233430113231 has 24 divisors (see below), whose sum is σ = 1886736415824. Its totient is φ = 773788158720.

The previous prime is 1233430113137. The next prime is 1233430113257. The reversal of 1233430113231 is 1323110343321.

1233430113231 is a `hidden beast` number, since 1 + 2 + 3 + 34 + 301 + 1 + 323 + 1 = 666.

It is not a de Polignac number, because 1233430113231 - 2³⁴ = 1216250244047 is a prime.

It is a super-2 number, since 2×1233430113231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1233430113195 and 1233430113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233430113271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255976 + ... + 1591346.

It is an arithmetic number, because the mean of its divisors is an integer number (78614017326).

Almost surely, 2^{1233430113231} is an apocalyptic number.

1233430113231 is a deficient number, since it is larger than the sum of its proper divisors (653306302593).

1233430113231 is a wasteful number, since it uses less digits than its factorization.

1233430113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341431 (or 1341428 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 1233430113231 its reverse (1323110343321), we get a palindrome (2556540456552).

The spelling of 1233430113231 in words is "one trillion, two hundred thirty-three billion, four hundred thirty million, one hundred thirteen thousand, two hundred thirty-one".