31122132032311 has 8 divisors (see below), whose sum is σ = 32833101438000. Its totient is φ = 29418458872320.

The previous prime is 31122132032209. The next prime is 31122132032347. The reversal of 31122132032311 is 11323023122113.

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 31122132032311 - 2²³ = 31122123643703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122132032011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824052660 + ... + 1824069721.

It is an arithmetic number, because the mean of its divisors is an integer number (4104137679750).

Almost surely, 2^{31122132032311} is an apocalyptic number.

31122132032311 is a deficient number, since it is larger than the sum of its proper divisors (1710969405689).

31122132032311 is a wasteful number, since it uses less digits than its factorization.

31122132032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648122849.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31122132032311 its reverse (11323023122113), we get a palindrome (42445155154424).

The spelling of 31122132032311 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred thirty-two million, thirty-two thousand, three hundred eleven".