31022132101031 has 16 divisors (see below), whose sum is σ = 32383695866400. Its totient is φ = 29680152327168.

The previous prime is 31022132100989. The next prime is 31022132101061. The reversal of 31022132101031 is 13010123122013.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31022132101031 is a prime.

It is a super-2 number, since 2×31022132101031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31022132100994 and 31022132101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022132101061) 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 15 ways as a sum of consecutive naturals, for example, 12419915 + ... + 14707091.

It is an arithmetic number, because the mean of its divisors is an integer number (2023980991650).

Almost surely, 2^{31022132101031} is an apocalyptic number.

31022132101031 is a deficient number, since it is larger than the sum of its proper divisors (1361563765369).

31022132101031 is a wasteful number, since it uses less digits than its factorization.

31022132101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291458.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31022132101031 its reverse (13010123122013), we get a palindrome (44032255223044).

The spelling of 31022132101031 in words is "thirty-one trillion, twenty-two billion, one hundred thirty-two million, one hundred one thousand, thirty-one".