31320330022131 has 8 divisors (see below), whose sum is σ = 44216936501904. Its totient is φ = 19651971778560.

The previous prime is 31320330022081. The next prime is 31320330022133. The reversal of 31320330022131 is 13122003302313.

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

It is not a de Polignac number, because 31320330022131 - 2⁶ = 31320330022067 is a prime.

It is a super-2 number, since 2×31320330022131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31320330022133) 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, 307062058990 + ... + 307062059091.

It is an arithmetic number, because the mean of its divisors is an integer number (5527117062738).

Almost surely, 2^{31320330022131} is an apocalyptic number.

31320330022131 is a deficient number, since it is larger than the sum of its proper divisors (12896606479773).

31320330022131 is a wasteful number, since it uses less digits than its factorization.

31320330022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614124118101.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31320330022131 its reverse (13122003302313), we get a palindrome (44442333324444).

The spelling of 31320330022131 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty million, twenty-two thousand, one hundred thirty-one".