1331150215 has 16 divisors (see below), whose sum is σ = 1634181120. Its totient is φ = 1040464800.

The previous prime is 1331150179. The next prime is 1331150251. The reversal of 1331150215 is 5120511331.

It is an interprime number because it is at equal distance from previous prime (1331150179) and next prime (1331150251).

It is not a de Polignac number, because 1331150215 - 2⁷ = 1331150087 is a prime.

It is a congruent number.

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, 140890 + ... + 150040.

It is an arithmetic number, because the mean of its divisors is an integer number (102136320).

Almost surely, 2^1331150215 is an apocalyptic number.

1331150215 is a deficient number, since it is larger than the sum of its proper divisors (303030905).

1331150215 is an equidigital number, since it uses as much as digits as its factorization.

1331150215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9822.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1331150215 is about 36484.9313415827. The cubic root of 1331150215 is about 1100.0413799860.

Adding to 1331150215 its reverse (5120511331), we get a palindrome (6451661546).

The spelling of 1331150215 in words is "one billion, three hundred thirty-one million, one hundred fifty thousand, two hundred fifteen".