1534312213 has 8 divisors (see below), whose sum is σ = 1755266432. Its totient is φ = 1313799696.

The previous prime is 1534312139. The next prime is 1534312229. The reversal of 1534312213 is 3122134351.

It is a happy number.

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 1534312213 - 2¹³ = 1534304021 is a prime.

It is a super-2 number, since 2×1534312213² = 4708227933921914738, 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 (1534312243) 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, 102945 + ... + 116902.

It is an arithmetic number, because the mean of its divisors is an integer number (219408304).

Almost surely, 2^1534312213 is an apocalyptic number.

It is an amenable number.

1534312213 is a deficient number, since it is larger than the sum of its proper divisors (220954219).

1534312213 is an equidigital number, since it uses as much as digits as its factorization.

1534312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220851.

The product of its digits is 2160, while the sum is 25.

The square root of 1534312213 is about 39170.2975863089. The cubic root of 1534312213 is about 1153.3768954462.

Adding to 1534312213 its reverse (3122134351), we get a palindrome (4656446564).

It can be divided in two parts, 15343 and 12213, that added together give a square (27556 = 166²).

The spelling of 1534312213 in words is "one billion, five hundred thirty-four million, three hundred twelve thousand, two hundred thirteen".