3520312345 has 16 divisors (see below), whose sum is σ = 4609563840. Its totient is φ = 2559585600.

The previous prime is 3520312339. The next prime is 3520312363. The reversal of 3520312345 is 5432130253.

3520312345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3520312345 - 2³ = 3520312337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405955 + ... + 414535.

It is an arithmetic number, because the mean of its divisors is an integer number (288097740).

Almost surely, 2^3520312345 is an apocalyptic number.

It is an amenable number.

3520312345 is a deficient number, since it is larger than the sum of its proper divisors (1089251495).

3520312345 is a wasteful number, since it uses less digits than its factorization.

3520312345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16056.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 3520312345 is about 59332.2201253248. The cubic root of 3520312345 is about 1521.2259766551.

Adding to 3520312345 its reverse (5432130253), we get a palindrome (8952442598).

The spelling of 3520312345 in words is "three billion, five hundred twenty million, three hundred twelve thousand, three hundred forty-five".