1311423362340 has 384 divisors, whose sum is σ = 4596483870720. Its totient is φ = 271992010752.

The previous prime is 1311423362317. The next prime is 1311423362363. The reversal of 1311423362340 is 432633241131.

It is an interprime number because it is at equal distance from previous prime (1311423362317) and next prime (1311423362363).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 186198859 + ... + 186205901.

It is an arithmetic number, because the mean of its divisors is an integer number (11970010080).

Almost surely, 2^{1311423362340} is an apocalyptic number.

1311423362340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311423362340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298241935360).

1311423362340 is an abundant number, since it is smaller than the sum of its proper divisors (3285060508380).

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

1311423362340 is a wasteful number, since it uses less digits than its factorization.

1311423362340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651 (or 7649 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 1311423362340 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred sixty-two thousand, three hundred forty".