1231033522433 has 16 divisors (see below), whose sum is σ = 1446506050752. Its totient is φ = 1032851640000.

The previous prime is 1231033522423. The next prime is 1231033522447. The reversal of 1231033522433 is 3342253301321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1231033522433 - 2²² = 1231029328129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231033522433.

It is not an unprimeable number, because it can be changed into a prime (1231033522423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46403 + ... + 1569783.

It is an arithmetic number, because the mean of its divisors is an integer number (90406628172).

Almost surely, 2^{1231033522433} is an apocalyptic number.

1231033522433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1231033522433 is a deficient number, since it is larger than the sum of its proper divisors (215472528319).

1231033522433 is a wasteful number, since it uses less digits than its factorization.

1231033522433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529056.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 1231033522433 its reverse (3342253301321), we get a palindrome (4573286823754).

The spelling of 1231033522433 in words is "one trillion, two hundred thirty-one billion, thirty-three million, five hundred twenty-two thousand, four hundred thirty-three".