213131301023121 has 8 divisors (see below), whose sum is σ = 306034688648640. Its totient is φ = 131157723706512.

The previous prime is 213131301023101. The next prime is 213131301023131. The reversal of 213131301023121 is 121320103131312.

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

It is not a de Polignac number, because 213131301023121 - 2¹⁴ = 213131301006737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213131301023091 and 213131301023100.

It is not an unprimeable number, because it can be changed into a prime (213131301023101) 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, 2732452577181 + ... + 2732452577258.

It is an arithmetic number, because the mean of its divisors is an integer number (38254336081080).

Almost surely, 2^{213131301023121} is an apocalyptic number.

It is an amenable number.

213131301023121 is a deficient number, since it is larger than the sum of its proper divisors (92903387625519).

213131301023121 is a wasteful number, since it uses less digits than its factorization.

213131301023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464905154455.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 213131301023121 its reverse (121320103131312), we get a palindrome (334451404154433).

The spelling of 213131301023121 in words is "two hundred thirteen trillion, one hundred thirty-one billion, three hundred one million, twenty-three thousand, one hundred twenty-one".