1312000412331 has 24 divisors (see below), whose sum is σ = 2154641737680. Its totient is φ = 705613665792.

The previous prime is 1312000412329. The next prime is 1312000412353. The reversal of 1312000412331 is 1332140002131.

It is not a de Polignac number, because 1312000412331 - 2¹ = 1312000412329 is a prime.

It is a super-3 number, since 3×1312000412331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1312000412298 and 1312000412307.

It is not an unprimeable number, because it can be changed into a prime (1312000411331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262502586 + ... + 262507583.

It is an arithmetic number, because the mean of its divisors is an integer number (89776739070).

Almost surely, 2^{1312000412331} is an apocalyptic number.

1312000412331 is a deficient number, since it is larger than the sum of its proper divisors (842641325349).

1312000412331 is a wasteful number, since it uses less digits than its factorization.

1312000412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525010203 (or 525010196 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312000412331 its reverse (1332140002131), we get a palindrome (2644140414462).

The spelling of 1312000412331 in words is "one trillion, three hundred twelve billion, four hundred twelve thousand, three hundred thirty-one".