1331022434 has 16 divisors (see below), whose sum is σ = 2303080128. Its totient is φ = 565106352.

The previous prime is 1331022421. The next prime is 1331022437. The reversal of 1331022434 is 4342201331.

It is a super-2 number, since 2×1331022434² = 3543241439622568712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331022437) 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, 442769 + ... + 445764.

It is an arithmetic number, because the mean of its divisors is an integer number (143942508).

Almost surely, 2^1331022434 is an apocalyptic number.

1331022434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1331022434 is a deficient number, since it is larger than the sum of its proper divisors (972057694).

1331022434 is a wasteful number, since it uses less digits than its factorization.

1331022434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888649.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1331022434 is about 36483.1801519550. The cubic root of 1331022434 is about 1100.0061801306.

Adding to 1331022434 its reverse (4342201331), we get a palindrome (5673223765).

The spelling of 1331022434 in words is "one billion, three hundred thirty-one million, twenty-two thousand, four hundred thirty-four".