213220310303131 has 8 divisors (see below), whose sum is σ = 215065057121600. Its totient is φ = 211380003309960.

The previous prime is 213220310303107. The next prime is 213220310303197. The reversal of 213220310303131 is 131303013022312.

213220310303131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213220310303131 - 2⁹ = 213220310302619 is a prime.

It is a super-2 number, since 2×213220310303131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213220310303096 and 213220310303105.

It is not an unprimeable number, because it can be changed into a prime (213220310303431) 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, 1109859861 + ... + 1110051958.

It is an arithmetic number, because the mean of its divisors is an integer number (26883132140200).

Almost surely, 2^{213220310303131} is an apocalyptic number.

213220310303131 is a deficient number, since it is larger than the sum of its proper divisors (1844746818469).

213220310303131 is a wasteful number, since it uses less digits than its factorization.

213220310303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219912649.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 213220310303131 its reverse (131303013022312), we get a palindrome (344523323325443).

The spelling of 213220310303131 in words is "two hundred thirteen trillion, two hundred twenty billion, three hundred ten million, three hundred three thousand, one hundred thirty-one".