1703187316340 has 12 divisors (see below), whose sum is σ = 3576693364356. Its totient is φ = 681274926528.

The previous prime is 1703187316339. The next prime is 1703187316343. The reversal of 1703187316340 is 436137813071.

It can be written as a sum of positive squares in 2 ways, for example, as 828984756196 + 874202560144 = 910486^2 + 934988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1703187316291 and 1703187316300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1703187316343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42579682889 + ... + 42579682928.

It is an arithmetic number, because the mean of its divisors is an integer number (298057780363).

Almost surely, 2^{1703187316340} is an apocalyptic number.

1703187316340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1703187316340 is an abundant number, since it is smaller than the sum of its proper divisors (1873506048016).

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

1703187316340 is a wasteful number, since it uses less digits than its factorization.

1703187316340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85159365826 (or 85159365824 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 1703187316340 in words is "one trillion, seven hundred three billion, one hundred eighty-seven million, three hundred sixteen thousand, three hundred forty".