3132012421 has 16 divisors (see below), whose sum is σ = 3347688960. Its totient is φ = 2921531760.

The previous prime is 3132012413. The next prime is 3132012437. The reversal of 3132012421 is 1242102313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3132012421 - 2³ = 3132012413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132010421) 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 15 ways as a sum of consecutive naturals, for example, 1924210 + ... + 1925836.

It is an arithmetic number, because the mean of its divisors is an integer number (209230560).

Almost surely, 2^3132012421 is an apocalyptic number.

It is an amenable number.

3132012421 is a deficient number, since it is larger than the sum of its proper divisors (215676539).

3132012421 is a wasteful number, since it uses less digits than its factorization.

3132012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3132012421 is about 55964.3852910045. The cubic root of 3132012421 is about 1463.1016224575.

Adding to 3132012421 its reverse (1242102313), we get a palindrome (4374114734).

The spelling of 3132012421 in words is "three billion, one hundred thirty-two million, twelve thousand, four hundred twenty-one".