1351103444 has 12 divisors (see below), whose sum is σ = 2467232544. Its totient is φ = 646179864.

The previous prime is 1351103431. The next prime is 1351103447. The reversal of 1351103444 is 4443011531.

It is a happy number.

It is a super-2 number, since 2×1351103444² = 3650961032777322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351103447) 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, 7342862 + ... + 7343045.

It is an arithmetic number, because the mean of its divisors is an integer number (205602712).

Almost surely, 2^1351103444 is an apocalyptic number.

It is an amenable number.

1351103444 is a deficient number, since it is larger than the sum of its proper divisors (1116129100).

1351103444 is a wasteful number, since it uses less digits than its factorization.

1351103444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14685934 (or 14685932 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1351103444 is about 36757.3590455027. The cubic root of 1351103444 is about 1105.5104877693.

Adding to 1351103444 its reverse (4443011531), we get a palindrome (5794114975).

The spelling of 1351103444 in words is "one billion, three hundred fifty-one million, one hundred three thousand, four hundred forty-four".