1320231331274 has 4 divisors (see below), whose sum is σ = 1980346996914. Its totient is φ = 660115665636.

The previous prime is 1320231331273. The next prime is 1320231331303. The reversal of 1320231331274 is 4721331320231.

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., 872010454225 + 448220877049 = 933815^2 + 669493^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1320231331274.

It is not an unprimeable number, because it can be changed into a prime (1320231331273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330057832817 + ... + 330057832820.

Almost surely, 2^{1320231331274} is an apocalyptic number.

1320231331274 is a deficient number, since it is larger than the sum of its proper divisors (660115665640).

1320231331274 is an equidigital number, since it uses as much as digits as its factorization.

1320231331274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660115665639.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 1320231331274 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, three hundred thirty-one thousand, two hundred seventy-four".