1312000230344 has 8 divisors (see below), whose sum is σ = 2460000431910. Its totient is φ = 656000115168.

The previous prime is 1312000230313. The next prime is 1312000230347. The reversal of 1312000230344 is 4430320002131.

It can be written as a sum of positive squares in only one way, i.e., 737087497444 + 574912732900 = 858538^2 + 758230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1312000230347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82000014389 + ... + 82000014404.

Almost surely, 2^{1312000230344} is an apocalyptic number.

It is an amenable number.

1312000230344 is a deficient number, since it is larger than the sum of its proper divisors (1148000201566).

1312000230344 is a wasteful number, since it uses less digits than its factorization.

1312000230344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164000028799 (or 164000028795 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1312000230344 its reverse (4430320002131), we get a palindrome (5742320232475).

The spelling of 1312000230344 in words is "one trillion, three hundred twelve billion, two hundred thirty thousand, three hundred forty-four".