1331395834 has 24 divisors (see below), whose sum is σ = 2151426528. Its totient is φ = 617695680.

The previous prime is 1331395831. The next prime is 1331395889. The reversal of 1331395834 is 4385931331.

It is a super-2 number, since 2×1331395834² = 3545229733585111112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331395831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24817 + ... + 57259.

It is an arithmetic number, because the mean of its divisors is an integer number (89642772).

Almost surely, 2^1331395834 is an apocalyptic number.

1331395834 is a deficient number, since it is larger than the sum of its proper divisors (820030694).

1331395834 is a wasteful number, since it uses less digits than its factorization.

1331395834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32550 (or 32533 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 1331395834 is about 36488.2972197936. The cubic root of 1331395834 is about 1100.1090343710.

The spelling of 1331395834 in words is "one billion, three hundred thirty-one million, three hundred ninety-five thousand, eight hundred thirty-four".