3130421 has 8 divisors (see below), whose sum is σ = 3766080. Its totient is φ = 2541888.

The previous prime is 3130417. The next prime is 3130427. The reversal of 3130421 is 1240313.

3130421 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3130421 - 2² = 3130417 is a prime.

It is a Duffinian number.

3130421 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 3130396 and 3130405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11636 + ... + 11901.

It is an arithmetic number, because the mean of its divisors is an integer number (470760).

Almost surely, 2^3130421 is an apocalyptic number.

It is an amenable number.

3130421 is a deficient number, since it is larger than the sum of its proper divisors (635659).

3130421 is a wasteful number, since it uses less digits than its factorization.

3130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23563.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3130421 is about 1769.2995789295. The cubic root of 3130421 is about 146.2853772746.

Adding to 3130421 its reverse (1240313), we get a palindrome (4370734).

The spelling of 3130421 in words is "three million, one hundred thirty thousand, four hundred twenty-one".