31232123321055 has 8 divisors (see below), whose sum is σ = 49971397313712. Its totient is φ = 16657132437888.

The previous prime is 31232123321053. The next prime is 31232123321071. The reversal of 31232123321055 is 55012332123213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31232123321055 - 2¹ = 31232123321053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232123321053) 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, 1041070777354 + ... + 1041070777383.

It is an arithmetic number, because the mean of its divisors is an integer number (6246424664214).

Almost surely, 2^{31232123321055} is an apocalyptic number.

31232123321055 is a deficient number, since it is larger than the sum of its proper divisors (18739273992657).

31232123321055 is a wasteful number, since it uses less digits than its factorization.

31232123321055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082141554745.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 31232123321055 its reverse (55012332123213), we get a palindrome (86244455444268).

The spelling of 31232123321055 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred twenty-three million, three hundred twenty-one thousand, fifty-five".