3521431002 has 16 divisors (see below), whose sum is σ = 7051429440. Its totient is φ = 1172382432.

The previous prime is 3521430947. The next prime is 3521431003. The reversal of 3521431002 is 2001341253.

It is a self number, because there is not a number n which added to its sum of digits gives 3521431002.

It is not an unprimeable number, because it can be changed into a prime (3521431003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351627 + ... + 361502.

It is an arithmetic number, because the mean of its divisors is an integer number (440714340).

Almost surely, 2^3521431002 is an apocalyptic number.

3521431002 is an abundant number, since it is smaller than the sum of its proper divisors (3529998438).

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

3521431002 is a wasteful number, since it uses less digits than its factorization.

3521431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713957.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3521431002 is about 59341.6464382309. The cubic root of 3521431002 is about 1521.3870939745.

Adding to 3521431002 its reverse (2001341253), we get a palindrome (5522772255).

The spelling of 3521431002 in words is "three billion, five hundred twenty-one million, four hundred thirty-one thousand, two".