1331320010 has 8 divisors (see below), whose sum is σ = 2396376036. Its totient is φ = 532528000.

The previous prime is 1331319973. The next prime is 1331320021. The reversal of 1331320010 is 100231331.

It can be written as a sum of positive squares in 2 ways, for example, as 1299386209 + 31933801 = 36047^2 + 5651^2 .

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

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, 66565991 + ... + 66566010.

Almost surely, 2^1331320010 is an apocalyptic number.

1331320010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331320010 is a deficient number, since it is larger than the sum of its proper divisors (1065056026).

1331320010 is a wasteful number, since it uses less digits than its factorization.

1331320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133132008.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1331320010 is about 36487.2581869342. The cubic root of 1331320010 is about 1100.0881499606.

Adding to 1331320010 its reverse (100231331), we get a palindrome (1431551341).

The spelling of 1331320010 in words is "one billion, three hundred thirty-one million, three hundred twenty thousand, ten".