10213131322 has 4 divisors (see below), whose sum is σ = 15319696986. Its totient is φ = 5106565660.

The previous prime is 10213131287. The next prime is 10213131353. The reversal of 10213131322 is 22313131201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7999334721 + 2213796601 = 89439^2 + 47051^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10213131322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553282829 + ... + 2553282832.

Almost surely, 2^10213131322 is an apocalyptic number.

10213131322 is a deficient number, since it is larger than the sum of its proper divisors (5106565664).

10213131322 is an equidigital number, since it uses as much as digits as its factorization.

10213131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106565663.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10213131322 its reverse (22313131201), we get a palindrome (32526262523).

The spelling of 10213131322 in words is "ten billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-two".