1331272234 has 8 divisors (see below), whose sum is σ = 2001222720. Its totient is φ = 664197996.

The previous prime is 1331272211. The next prime is 1331272253. The reversal of 1331272234 is 4322721331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1331272234² = 3544571522038701512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717904 + ... + 719755.

It is an arithmetic number, because the mean of its divisors is an integer number (250152840).

Almost surely, 2^1331272234 is an apocalyptic number.

1331272234 is a deficient number, since it is larger than the sum of its proper divisors (669950486).

1331272234 is a wasteful number, since it uses less digits than its factorization.

1331272234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438124.

The product of its digits is 6048, while the sum is 28.

The square root of 1331272234 is about 36486.6034867594. The cubic root of 1331272234 is about 1100.0749904798.

Adding to 1331272234 its reverse (4322721331), we get a palindrome (5653993565).

The spelling of 1331272234 in words is "one billion, three hundred thirty-one million, two hundred seventy-two thousand, two hundred thirty-four".