221302313210031 has 16 divisors (see below), whose sum is σ = 310600679034240. Its totient is φ = 139769458489440.

The previous prime is 221302313209981. The next prime is 221302313210053. The reversal of 221302313210031 is 130012313203122.

221302313210031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221302313210031 - 2⁹ = 221302313209519 is a prime.

It is a super-2 number, since 2×221302313210031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221302313209983 and 221302313210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221302313210071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13657236 + ... + 25082358.

It is an arithmetic number, because the mean of its divisors is an integer number (19412542439640).

Almost surely, 2^{221302313210031} is an apocalyptic number.

221302313210031 is a deficient number, since it is larger than the sum of its proper divisors (89298365824209).

221302313210031 is a wasteful number, since it uses less digits than its factorization.

221302313210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764966.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221302313210031 its reverse (130012313203122), we get a palindrome (351314626413153).

The spelling of 221302313210031 in words is "two hundred twenty-one trillion, three hundred two billion, three hundred thirteen million, two hundred ten thousand, thirty-one".