31213301312201 has 8 divisors (see below), whose sum is σ = 31259522796480. Its totient is φ = 31167081353232.

The previous prime is 31213301312197. The next prime is 31213301312269. The reversal of 31213301312201 is 10221310331213.

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 31213301312201 - 2² = 31213301312197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31213301312101) 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, 44476436 + ... + 45172778.

It is an arithmetic number, because the mean of its divisors is an integer number (3907440349560).

Almost surely, 2^{31213301312201} is an apocalyptic number.

It is an amenable number.

31213301312201 is a deficient number, since it is larger than the sum of its proper divisors (46221484279).

31213301312201 is an equidigital number, since it uses as much as digits as its factorization.

31213301312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762655.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31213301312201 its reverse (10221310331213), we get a palindrome (41434611643414).

The spelling of 31213301312201 in words is "thirty-one trillion, two hundred thirteen billion, three hundred one million, three hundred twelve thousand, two hundred one".