131213002222 has 4 divisors (see below), whose sum is σ = 196819503336. Its totient is φ = 65606501110.

The previous prime is 131213002213. The next prime is 131213002223. The reversal of 131213002222 is 222200312131.

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

It is a super-2 number, since 2×131213002222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131213002222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213002223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32803250554 + ... + 32803250557.

It is an arithmetic number, because the mean of its divisors is an integer number (49204875834).

Almost surely, 2^131213002222 is an apocalyptic number.

131213002222 is a deficient number, since it is larger than the sum of its proper divisors (65606501114).

131213002222 is an equidigital number, since it uses as much as digits as its factorization.

131213002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65606501113.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131213002222 its reverse (222200312131), we get a palindrome (353413314353).

The spelling of 131213002222 in words is "one hundred thirty-one billion, two hundred thirteen million, two thousand, two hundred twenty-two".