1344021031 has 16 divisors (see below), whose sum is σ = 1496528640. Its totient is φ = 1201210560.

The previous prime is 1344021023. The next prime is 1344021047. The reversal of 1344021031 is 1301204431.

It is a cyclic number.

It is not a de Polignac number, because 1344021031 - 2³ = 1344021023 is a prime.

It is a super-2 number, since 2×1344021031² = 3612785063540605922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10836 + ... + 52966.

It is an arithmetic number, because the mean of its divisors is an integer number (93533040).

Almost surely, 2^1344021031 is an apocalyptic number.

1344021031 is a deficient number, since it is larger than the sum of its proper divisors (152507609).

1344021031 is a wasteful number, since it uses less digits than its factorization.

1344021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42246.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1344021031 is about 36660.8923923027. The cubic root of 1344021031 is about 1103.5754267659.

Adding to 1344021031 its reverse (1301204431), we get a palindrome (2645225462).

The spelling of 1344021031 in words is "one billion, three hundred forty-four million, twenty-one thousand, thirty-one".