31012323233213 has 8 divisors (see below), whose sum is σ = 35443435595328. Its totient is φ = 26581405989024.

The previous prime is 31012323233189. The next prime is 31012323233231. The reversal of 31012323233213 is 31233232321013.

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-31012323233213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012323233233) 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, 48438731 + ... + 49074792.

It is an arithmetic number, because the mean of its divisors is an integer number (4430429449416).

Almost surely, 2^{31012323233213} is an apocalyptic number.

It is an amenable number.

31012323233213 is a deficient number, since it is larger than the sum of its proper divisors (4431112362115).

31012323233213 is an equidigital number, since it uses as much as digits as its factorization.

31012323233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97558963.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31012323233213 its reverse (31233232321013), we get a palindrome (62245555554226).

The spelling of 31012323233213 in words is "thirty-one trillion, twelve billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred thirteen".