313154381440 has 192 divisors, whose sum is σ = 777317381280. Its totient is φ = 120633231360.

The previous prime is 313154381429. The next prime is 313154381459. The reversal of 313154381440 is 44183451313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 313154381440.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139612959 + ... + 139615201.

Almost surely, 2^313154381440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313154381440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388658690640).

313154381440 is an abundant number, since it is smaller than the sum of its proper divisors (464162999840).

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

313154381440 is a wasteful number, since it uses less digits than its factorization.

313154381440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 313154381440 in words is "three hundred thirteen billion, one hundred fifty-four million, three hundred eighty-one thousand, four hundred forty".