1340304423311 has 32 divisors (see below), whose sum is σ = 1623670272000. Its totient is φ = 1080784131840.

The previous prime is 1340304423281. The next prime is 1340304423343. The reversal of 1340304423311 is 1133244030431.

It is a happy number.

It is not a de Polignac number, because 1340304423311 - 2⁶ = 1340304423247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340304423811) 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, 10889090 + ... + 11011488.

It is an arithmetic number, because the mean of its divisors is an integer number (50739696000).

Almost surely, 2^{1340304423311} is an apocalyptic number.

1340304423311 is a deficient number, since it is larger than the sum of its proper divisors (283365848689).

1340304423311 is a wasteful number, since it uses less digits than its factorization.

1340304423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122999.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1340304423311 its reverse (1133244030431), we get a palindrome (2473548453742).

The spelling of 1340304423311 in words is "one trillion, three hundred forty billion, three hundred four million, four hundred twenty-three thousand, three hundred eleven".