31122110321032 has 8 divisors (see below), whose sum is σ = 58353956851950. Its totient is φ = 15561055160512.

The previous prime is 31122110321017. The next prime is 31122110321051. The reversal of 31122110321032 is 23012301122113.

It can be written as a sum of positive squares in only one way, i.e., 31087828317316 + 34282003716 = 5575646^2 + 185154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31122110320994 and 31122110321012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945131895057 + ... + 1945131895072.

Almost surely, 2^{31122110321032} is an apocalyptic number.

It is an amenable number.

31122110321032 is a deficient number, since it is larger than the sum of its proper divisors (27231846530918).

31122110321032 is a wasteful number, since it uses less digits than its factorization.

31122110321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890263790135 (or 3890263790131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31122110321032 its reverse (23012301122113), we get a palindrome (54134411443145).

The spelling of 31122110321032 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred ten million, three hundred twenty-one thousand, thirty-two".