1351073213 has 8 divisors (see below), whose sum is σ = 1549825920. Its totient is φ = 1153756080.

The previous prime is 1351073209. The next prime is 1351073221. The reversal of 1351073213 is 3123701531.

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 1351073213 - 2² = 1351073209 is a prime.

It is a super-2 number, since 2×1351073213² = 3650797653772286738, 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 (1351070213) 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, 356873 + ... + 360638.

It is an arithmetic number, because the mean of its divisors is an integer number (193728240).

Almost surely, 2^1351073213 is an apocalyptic number.

It is an amenable number.

1351073213 is a deficient number, since it is larger than the sum of its proper divisors (198752707).

1351073213 is an equidigital number, since it uses as much as digits as its factorization.

1351073213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717787.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 1351073213 is about 36756.9478194259. The cubic root of 1351073213 is about 1105.5022424256.

Adding to 1351073213 its reverse (3123701531), we get a palindrome (4474774744).

The spelling of 1351073213 in words is "one billion, three hundred fifty-one million, seventy-three thousand, two hundred thirteen".