1331255002 has 32 divisors (see below), whose sum is σ = 2494955520. Its totient is φ = 517559280.

The previous prime is 1331254987. The next prime is 1331255027. The reversal of 1331255002 is 2005521331.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 64743 + ... + 82789.

It is an arithmetic number, because the mean of its divisors is an integer number (77967360).

Almost surely, 2^1331255002 is an apocalyptic number.

1331255002 is a deficient number, since it is larger than the sum of its proper divisors (1163700518).

1331255002 is a wasteful number, since it uses less digits than its factorization.

1331255002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18546.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1331255002 is about 36486.3673445302. The cubic root of 1331255002 is about 1100.0702439991.

Adding to 1331255002 its reverse (2005521331), we get a palindrome (3336776333).

The spelling of 1331255002 in words is "one billion, three hundred thirty-one million, two hundred fifty-five thousand, two".