1331314434 has 16 divisors (see below), whose sum is σ = 2958476640. Its totient is φ = 443771460.

The previous prime is 1331314423. The next prime is 1331314463. The reversal of 1331314434 is 4344131331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1331314398 and 1331314407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12326932 + ... + 12327039.

It is an arithmetic number, because the mean of its divisors is an integer number (184904790).

Almost surely, 2^1331314434 is an apocalyptic number.

1331314434 is an abundant number, since it is smaller than the sum of its proper divisors (1627162206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331314434 is a wasteful number, since it uses less digits than its factorization.

1331314434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24653982 (or 24653976 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1331314434 is about 36487.1817766185. The cubic root of 1331314434 is about 1100.0866141165.

Adding to 1331314434 its reverse (4344131331), we get a palindrome (5675445765).

The spelling of 1331314434 in words is "one billion, three hundred thirty-one million, three hundred fourteen thousand, four hundred thirty-four".