13010312221 has 8 divisors (see below), whose sum is σ = 13555517184. Its totient is φ = 12472952160.

The previous prime is 13010312213. The next prime is 13010312261. The reversal of 13010312221 is 12221301031.

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 13010312221 - 2³ = 13010312213 is a prime.

It is a super-3 number, since 3×13010312221³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13010312195 and 13010312204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13010312201) 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, 1957840 + ... + 1964473.

It is an arithmetic number, because the mean of its divisors is an integer number (1694439648).

Almost surely, 2^13010312221 is an apocalyptic number.

It is an amenable number.

13010312221 is a deficient number, since it is larger than the sum of its proper divisors (545204963).

13010312221 is a wasteful number, since it uses less digits than its factorization.

13010312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922451.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13010312221 its reverse (12221301031), we get a palindrome (25231613252).

The spelling of 13010312221 in words is "thirteen billion, ten million, three hundred twelve thousand, two hundred twenty-one".