31206060213 has 8 divisors (see below), whose sum is σ = 41616912576. Its totient is φ = 20799624000.

The previous prime is 31206060203. The next prime is 31206060241.

It is a happy number.

31206060213 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 31206060213 - 2¹² = 31206056117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31206060203) 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, 1087513 + ... + 1115838.

It is an arithmetic number, because the mean of its divisors is an integer number (5202114072).

Almost surely, 2^31206060213 is an apocalyptic number.

It is an amenable number.

31206060213 is a deficient number, since it is larger than the sum of its proper divisors (10410852363).

31206060213 is a wasteful number, since it uses less digits than its factorization.

31206060213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208075.

The product of its (nonzero) digits is 1296, while the sum is 24.

It can be divided in two parts, 312060 and 60213, that added together give a palindrome (372273).

The spelling of 31206060213 in words is "thirty-one billion, two hundred six million, sixty thousand, two hundred thirteen".