31224233414121 has 32 divisors (see below), whose sum is σ = 45793479671808. Its totient is φ = 18767061512640.

The previous prime is 31224233414107. The next prime is 31224233414137. The reversal of 31224233414121 is 12141433242213.

It is not a de Polignac number, because 31224233414121 - 2¹³ = 31224233405929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31224233414191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8684886 + ... + 11742048.

It is an arithmetic number, because the mean of its divisors is an integer number (1431046239744).

Almost surely, 2^{31224233414121} is an apocalyptic number.

It is an amenable number.

31224233414121 is a deficient number, since it is larger than the sum of its proper divisors (14569246257687).

31224233414121 is a wasteful number, since it uses less digits than its factorization.

31224233414121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059741.

The product of its digits is 27648, while the sum is 33.

Adding to 31224233414121 its reverse (12141433242213), we get a palindrome (43365666656334).

The spelling of 31224233414121 in words is "thirty-one trillion, two hundred twenty-four billion, two hundred thirty-three million, four hundred fourteen thousand, one hundred twenty-one".