1351103331 has 4 divisors (see below), whose sum is σ = 1801471112. Its totient is φ = 900735552.

The previous prime is 1351103311. The next prime is 1351103333. The reversal of 1351103331 is 1333011531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1351103331 - 2¹⁸ = 1350841187 is a prime.

It is a super-2 number, since 2×1351103331² = 3650960422078591122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351103298 and 1351103307.

It is not an unprimeable number, because it can be changed into a prime (1351103333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225183886 + ... + 225183891.

It is an arithmetic number, because the mean of its divisors is an integer number (450367778).

Almost surely, 2^1351103331 is an apocalyptic number.

1351103331 is a deficient number, since it is larger than the sum of its proper divisors (450367781).

1351103331 is an equidigital number, since it uses as much as digits as its factorization.

1351103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450367780.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1351103331 is about 36757.3575083955. The cubic root of 1351103331 is about 1105.5104569493.

Adding to 1351103331 its reverse (1333011531), we get a palindrome (2684114862).

The spelling of 1351103331 in words is "one billion, three hundred fifty-one million, one hundred three thousand, three hundred thirty-one".