1312320301444 has 6 divisors (see below), whose sum is σ = 2296560527534. Its totient is φ = 656160150720.

The previous prime is 1312320301441. The next prime is 1312320301447. The reversal of 1312320301444 is 4441030232131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1312320301441) and next prime (1312320301447).

It can be written as a sum of positive squares in only one way, i.e., 1216913447044 + 95406854400 = 1103138^2 + 308880^2 .

It is a super-3 number, since 3×1312320301444³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312320301441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164040037677 + ... + 164040037684.

Almost surely, 2^{1312320301444} is an apocalyptic number.

It is an amenable number.

1312320301444 is a deficient number, since it is larger than the sum of its proper divisors (984240226090).

1312320301444 is a wasteful number, since it uses less digits than its factorization.

1312320301444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328080075365 (or 328080075363 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1312320301444 its reverse (4441030232131), we get a palindrome (5753350533575).

The spelling of 1312320301444 in words is "one trillion, three hundred twelve billion, three hundred twenty million, three hundred one thousand, four hundred forty-four".