1344402512331 has 16 divisors (see below), whose sum is σ = 1834176198144. Its totient is φ = 875521509984.

The previous prime is 1344402512311. The next prime is 1344402512333. The reversal of 1344402512331 is 1332152044431.

It is not a de Polignac number, because 1344402512331 - 2¹⁹ = 1344401988043 is a prime.

It is a super-2 number, since 2×1344402512331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1344402512292 and 1344402512301.

It is not an unprimeable number, because it can be changed into a prime (1344402512333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9041716 + ... + 9189201.

It is an arithmetic number, because the mean of its divisors is an integer number (114636012384).

Almost surely, 2^{1344402512331} is an apocalyptic number.

1344402512331 is a deficient number, since it is larger than the sum of its proper divisors (489773685813).

1344402512331 is a wasteful number, since it uses less digits than its factorization.

1344402512331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231490.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1344402512331 its reverse (1332152044431), we get a palindrome (2676554556762).

The spelling of 1344402512331 in words is "one trillion, three hundred forty-four billion, four hundred two million, five hundred twelve thousand, three hundred thirty-one".