31302232132123 has 8 divisors (see below), whose sum is σ = 31329147548160. Its totient is φ = 31275324919080.

The previous prime is 31302232132121. The next prime is 31302232132133. The reversal of 31302232132123 is 32123123220313.

It is a happy number.

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 31302232132123 - 2¹ = 31302232132121 is a prime.

It is a super-2 number, since 2×31302232132123² (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 = 31302232132091 and 31302232132100.

It is not an unprimeable number, because it can be changed into a prime (31302232132121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5596686 + ... + 9691612.

It is an arithmetic number, because the mean of its divisors is an integer number (3916143443520).

Almost surely, 2^{31302232132123} is an apocalyptic number.

31302232132123 is a deficient number, since it is larger than the sum of its proper divisors (26915416037).

31302232132123 is a wasteful number, since it uses less digits than its factorization.

31302232132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101497.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31302232132123 its reverse (32123123220313), we get a palindrome (63425355352436).

The spelling of 31302232132123 in words is "thirty-one trillion, three hundred two billion, two hundred thirty-two million, one hundred thirty-two thousand, one hundred twenty-three".