2031598340 has 24 divisors (see below), whose sum is σ = 4267710720. Its totient is φ = 812381408.

The previous prime is 2031598337. The next prime is 2031598381. The reversal of 2031598340 is 438951302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031598340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56429 + ... + 85131.

It is an arithmetic number, because the mean of its divisors is an integer number (177821280).

Almost surely, 2^2031598340 is an apocalyptic number.

2031598340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031598340 is an abundant number, since it is smaller than the sum of its proper divisors (2236112380).

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

2031598340 is a wasteful number, since it uses less digits than its factorization.

2031598340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32251 (or 32249 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2031598340 is about 45073.2552629605. The cubic root of 2031598340 is about 1266.5216452930.

The spelling of 2031598340 in words is "two billion, thirty-one million, five hundred ninety-eight thousand, three hundred forty".