2303131278960 has 160 divisors (see below), whose sum is σ = 7937630084160. Its totient is φ = 613810483200.

The previous prime is 2303131278941. The next prime is 2303131278967. The reversal of 2303131278960 is 698721313032.

2303131278960 is a `hidden beast` number, since 2 + 3 + 0 + 313 + 1 + 278 + 9 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303131278967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3407580 + ... + 4027140.

It is an arithmetic number, because the mean of its divisors is an integer number (49610188026).

Almost surely, 2^{2303131278960} is an apocalyptic number.

2303131278960 is a gapful number since it is divisible by the number (20) 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 2303131278960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3968815042080).

2303131278960 is an abundant number, since it is smaller than the sum of its proper divisors (5634498805200).

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

2303131278960 is a wasteful number, since it uses less digits than its factorization.

2303131278960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621304 (or 621292 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 2303131278960 in words is "two trillion, three hundred three billion, one hundred thirty-one million, two hundred seventy-eight thousand, nine hundred sixty".