1231442525033 has 16 divisors (see below), whose sum is σ = 1414840473600. Its totient is φ = 1049914828800.

The previous prime is 1231442525023. The next prime is 1231442525039. The reversal of 1231442525033 is 3305252441321.

It is a cyclic number.

It is not a de Polignac number, because 1231442525033 - 2¹⁶ = 1231442459497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231442524984 and 1231442525002.

It is not an unprimeable number, because it can be changed into a prime (1231442525039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22756793 + ... + 22810841.

It is an arithmetic number, because the mean of its divisors is an integer number (88427529600).

Almost surely, 2^{1231442525033} is an apocalyptic number.

It is an amenable number.

1231442525033 is a deficient number, since it is larger than the sum of its proper divisors (183397948567).

1231442525033 is a wasteful number, since it uses less digits than its factorization.

1231442525033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71288.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 1231442525033 its reverse (3305252441321), we get a palindrome (4536694966354).

The spelling of 1231442525033 in words is "one trillion, two hundred thirty-one billion, four hundred forty-two million, five hundred twenty-five thousand, thirty-three".