31415112213 has 8 divisors (see below), whose sum is σ = 41912791008. Its totient is φ = 20930420784.

The previous prime is 31415112203. The next prime is 31415112229. The reversal of 31415112213 is 31221151413.

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

It is not a de Polignac number, because 31415112213 - 2⁵ = 31415112181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31415112203) 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, 3241195 + ... + 3250872.

It is an arithmetic number, because the mean of its divisors is an integer number (5239098876).

Almost surely, 2^31415112213 is an apocalyptic number.

It is an amenable number.

31415112213 is a deficient number, since it is larger than the sum of its proper divisors (10497678795).

31415112213 is a wasteful number, since it uses less digits than its factorization.

31415112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493683.

The product of its digits is 720, while the sum is 24.

Adding to 31415112213 its reverse (31221151413), we get a palindrome (62636263626).

The spelling of 31415112213 in words is "thirty-one billion, four hundred fifteen million, one hundred twelve thousand, two hundred thirteen".