1421131213 has 8 divisors (see below), whose sum is σ = 1448612640. Its totient is φ = 1393784880.

The previous prime is 1421131193. The next prime is 1421131301. The reversal of 1421131213 is 3121311241.

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 1421131213 - 2⁵ = 1421131181 is a prime.

It is a super-2 number, since 2×1421131213² = 4039227849125702738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421131013) 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, 12403 + ... + 54736.

It is an arithmetic number, because the mean of its divisors is an integer number (181076580).

Almost surely, 2^1421131213 is an apocalyptic number.

It is an amenable number.

1421131213 is a deficient number, since it is larger than the sum of its proper divisors (27481427).

1421131213 is an equidigital number, since it uses as much as digits as its factorization.

1421131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67547.

The product of its digits is 144, while the sum is 19.

The square root of 1421131213 is about 37697.8940127960. The cubic root of 1421131213 is about 1124.2892532519.

Adding to 1421131213 its reverse (3121311241), we get a palindrome (4542442454).

The spelling of 1421131213 in words is "one billion, four hundred twenty-one million, one hundred thirty-one thousand, two hundred thirteen".