1315305043000 has 128 divisors (see below), whose sum is σ = 3326290269120. Its totient is φ = 483933657600.

The previous prime is 1315305042979. The next prime is 1315305043001. The reversal of 1315305043000 is 3405035131.

It is a super-2 number, since 2×1315305043000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315305043001) 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, 3500242 + ... + 3857758.

Almost surely, 2^{1315305043000} is an apocalyptic number.

1315305043000 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 1315305043000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663145134560).

1315305043000 is an abundant number, since it is smaller than the sum of its proper divisors (2010985226120).

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

1315305043000 is a wasteful number, since it uses less digits than its factorization.

1315305043000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357834 (or 357820 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 1315305043000 in words is "one trillion, three hundred fifteen billion, three hundred five million, forty-three thousand".