31223442211433 has 8 divisors (see below), whose sum is σ = 31342487170368. Its totient is φ = 31104399712464.

The previous prime is 31223442211331. The next prime is 31223442211469. The reversal of 31223442211433 is 33411224432213.

It is a happy number.

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 31223442211433 - 2¹⁶ = 31223442145897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31223442211393 and 31223442211402.

It is not an unprimeable number, because it can be changed into a prime (31223442211933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27214166 + ... + 28338272.

It is an arithmetic number, because the mean of its divisors is an integer number (3917810896296).

Almost surely, 2^{31223442211433} is an apocalyptic number.

It is an amenable number.

31223442211433 is a deficient number, since it is larger than the sum of its proper divisors (119044958935).

31223442211433 is a wasteful number, since it uses less digits than its factorization.

31223442211433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229983.

The product of its digits is 82944, while the sum is 35.

Adding to 31223442211433 its reverse (33411224432213), we get a palindrome (64634666643646).

The spelling of 31223442211433 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred forty-two million, two hundred eleven thousand, four hundred thirty-three".