1231344340002 has 64 divisors (see below), whose sum is σ = 3138513603840. Its totient is φ = 350542556928.

The previous prime is 1231344340001. The next prime is 1231344340033. The reversal of 1231344340002 is 2000434431321.

1231344340002 is a `hidden beast` number, since 1 + 2 + 313 + 4 + 4 + 340 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1231344340001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5775303 + ... + 5984714.

It is an arithmetic number, because the mean of its divisors is an integer number (49039275060).

Almost surely, 2^{1231344340002} is an apocalyptic number.

1231344340002 is an abundant number, since it is smaller than the sum of its proper divisors (1907169263838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231344340002 is a wasteful number, since it uses less digits than its factorization.

1231344340002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760312 (or 11760306 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1231344340002 its reverse (2000434431321), we get a palindrome (3231778771323).

The spelling of 1231344340002 in words is "one trillion, two hundred thirty-one billion, three hundred forty-four million, three hundred forty thousand, two".