2031815332 has 24 divisors (see below), whose sum is σ = 3621340800. Its totient is φ = 997198176.

The previous prime is 2031815327. The next prime is 2031815341. The reversal of 2031815332 is 2335181302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031815332.

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, 161253 + ... + 173395.

It is an arithmetic number, because the mean of its divisors is an integer number (150889200).

Almost surely, 2^2031815332 is an apocalyptic number.

It is an amenable number.

2031815332 is a deficient number, since it is larger than the sum of its proper divisors (1589525468).

2031815332 is a wasteful number, since it uses less digits than its factorization.

2031815332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915 (or 12913 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2031815332 is about 45075.6623024000. The cubic root of 2031815332 is about 1266.5667354527.

Adding to 2031815332 its reverse (2335181302), we get a palindrome (4366996634).

The spelling of 2031815332 in words is "two billion, thirty-one million, eight hundred fifteen thousand, three hundred thirty-two".