31132130323 has 8 divisors (see below), whose sum is σ = 35912097792. Its totient is φ = 26435292936.

The previous prime is 31132130317. The next prime is 31132130329. The reversal of 31132130323 is 32303123113.

It is an interprime number because it is at equal distance from previous prime (31132130317) and next prime (31132130329).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31132130323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31132130294 and 31132130303.

It is not an unprimeable number, because it can be changed into a prime (31132130329) 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, 20781715 + ... + 20783212.

It is an arithmetic number, because the mean of its divisors is an integer number (4489012224).

Almost surely, 2^31132130323 is an apocalyptic number.

31132130323 is a deficient number, since it is larger than the sum of its proper divisors (4779967469).

31132130323 is a wasteful number, since it uses less digits than its factorization.

31132130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41565041.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31132130323 its reverse (32303123113), we get a palindrome (63435253436).

The spelling of 31132130323 in words is "thirty-one billion, one hundred thirty-two million, one hundred thirty thousand, three hundred twenty-three".