3215130542 has 32 divisors (see below), whose sum is σ = 5592434400. Its totient is φ = 1372935168.

The previous prime is 3215130521. The next prime is 3215130547. The reversal of 3215130542 is 2450315123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215130547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35567 + ... + 87722.

It is an arithmetic number, because the mean of its divisors is an integer number (174763575).

Almost surely, 2^3215130542 is an apocalyptic number.

3215130542 is a deficient number, since it is larger than the sum of its proper divisors (2377303858).

3215130542 is a wasteful number, since it uses less digits than its factorization.

3215130542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123380.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3215130542 is about 56702.1211419820. The cubic root of 3215130542 is about 1475.9315065173.

Adding to 3215130542 its reverse (2450315123), we get a palindrome (5665445665).

The spelling of 3215130542 in words is "three billion, two hundred fifteen million, one hundred thirty thousand, five hundred forty-two".