131342223223402 has 16 divisors (see below), whose sum is σ = 200227417090560. Its totient is φ = 64605752881488.

The previous prime is 131342223223397. The next prime is 131342223223429. The reversal of 131342223223402 is 204322322243131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500461458 + ... + 1500548989.

It is an arithmetic number, because the mean of its divisors is an integer number (12514213568160).

Almost surely, 2^{131342223223402} is an apocalyptic number.

131342223223402 is a deficient number, since it is larger than the sum of its proper divisors (68885193867158).

131342223223402 is a wasteful number, since it uses less digits than its factorization.

131342223223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001010805.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 131342223223402 its reverse (204322322243131), we get a palindrome (335664545466533).

The spelling of 131342223223402 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred two".