131324947322 has 4 divisors (see below), whose sum is σ = 196987420986. Its totient is φ = 65662473660.

The previous prime is 131324947277. The next prime is 131324947331. The reversal of 131324947322 is 223749423131.

It is a happy number.

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., 86930035921 + 44394911401 = 294839^2 + 210701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131324947322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32831236829 + ... + 32831236832.

Almost surely, 2^131324947322 is an apocalyptic number.

131324947322 is a deficient number, since it is larger than the sum of its proper divisors (65662473664).

131324947322 is an equidigital number, since it uses as much as digits as its factorization.

131324947322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65662473663.

The product of its digits is 217728, while the sum is 41.

The spelling of 131324947322 in words is "one hundred thirty-one billion, three hundred twenty-four million, nine hundred forty-seven thousand, three hundred twenty-two".