1351423331 has 8 divisors (see below), whose sum is σ = 1398180864. Its totient is φ = 1304863560.

The previous prime is 1351423319. The next prime is 1351423357. The reversal of 1351423331 is 1333241531.

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 1351423331 - 2⁶ = 1351423267 is a prime.

It is a super-2 number, since 2×1351423331² = 3652690039142271122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351423331.

It is not an unprimeable number, because it can be changed into a prime (1351423391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35471 + ... + 62936.

It is an arithmetic number, because the mean of its divisors is an integer number (174772608).

Almost surely, 2^1351423331 is an apocalyptic number.

1351423331 is a deficient number, since it is larger than the sum of its proper divisors (46757533).

1351423331 is an equidigital number, since it uses as much as digits as its factorization.

1351423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98881.

The product of its digits is 3240, while the sum is 26.

The square root of 1351423331 is about 36761.7101207221. The cubic root of 1351423331 is about 1105.5977277038.

Adding to 1351423331 its reverse (1333241531), we get a palindrome (2684664862).

The spelling of 1351423331 in words is "one billion, three hundred fifty-one million, four hundred twenty-three thousand, three hundred thirty-one".