3506431302 has 128 divisors (see below), whose sum is σ = 8786257920. Its totient is φ = 1027343520.

The previous prime is 3506431273. The next prime is 3506431303. The reversal of 3506431302 is 2031346053.

It is a happy number.

3506431302 is a `hidden beast` number, since 3 + 5 + 0 + 643 + 13 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506431303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2732353 + ... + 2733635.

It is an arithmetic number, because the mean of its divisors is an integer number (68642640).

Almost surely, 2^3506431302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3506431302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4393128960).

3506431302 is an abundant number, since it is smaller than the sum of its proper divisors (5279826618).

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

3506431302 is a wasteful number, since it uses less digits than its factorization.

3506431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3506431302 is about 59215.1273071333. The cubic root of 3506431302 is about 1519.2238798035.

Adding to 3506431302 its reverse (2031346053), we get a palindrome (5537777355).

It can be divided in two parts, 35064 and 31302, that added together give a palindrome (66366).

The spelling of 3506431302 in words is "three billion, five hundred six million, four hundred thirty-one thousand, three hundred two".