31232323403121 has 32 divisors (see below), whose sum is σ = 43235299860480. Its totient is φ = 20038198855104.

The previous prime is 31232323403101. The next prime is 31232323403123. The reversal of 31232323403121 is 12130432323213.

It is not a de Polignac number, because 31232323403121 - 2¹¹ = 31232323401073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31232323403123) 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, 7964296 + ... + 11220278.

It is an arithmetic number, because the mean of its divisors is an integer number (1351103120640).

Almost surely, 2^{31232323403121} is an apocalyptic number.

It is an amenable number.

31232323403121 is a deficient number, since it is larger than the sum of its proper divisors (12002976457359).

31232323403121 is a wasteful number, since it uses less digits than its factorization.

31232323403121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256965.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 31232323403121 its reverse (12130432323213), we get a palindrome (43362755726334).

The spelling of 31232323403121 in words is "thirty-one trillion, two hundred thirty-two billion, three hundred twenty-three million, four hundred three thousand, one hundred twenty-one".