1331010145 has 16 divisors (see below), whose sum is σ = 1606176000. Its totient is φ = 1058851584.

The previous prime is 1331010137. The next prime is 1331010157. The reversal of 1331010145 is 5410101331.

It is a cyclic number.

It is not a de Polignac number, because 1331010145 - 2³ = 1331010137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840024 + ... + 841606.

It is an arithmetic number, because the mean of its divisors is an integer number (100386000).

Almost surely, 2^1331010145 is an apocalyptic number.

It is an amenable number.

1331010145 is a deficient number, since it is larger than the sum of its proper divisors (275165855).

1331010145 is a wasteful number, since it uses less digits than its factorization.

1331010145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1331010145 is about 36483.0117314895. The cubic root of 1331010145 is about 1100.0027947587.

Adding to 1331010145 its reverse (5410101331), we get a palindrome (6741111476).

The spelling of 1331010145 in words is "one billion, three hundred thirty-one million, ten thousand, one hundred forty-five".