1331352250 has 64 divisors (see below), whose sum is σ = 2540678400. Its totient is φ = 522321600.

The previous prime is 1331352181. The next prime is 1331352259. The reversal of 1331352250 is 522531331.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1331352259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3836577 + ... + 3836923.

It is an arithmetic number, because the mean of its divisors is an integer number (39698100).

Almost surely, 2^1331352250 is an apocalyptic number.

1331352250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331352250 is a deficient number, since it is larger than the sum of its proper divisors (1209326150).

1331352250 is a wasteful number, since it uses less digits than its factorization.

1331352250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1331352250 is about 36487.6999823228. The cubic root of 1331352250 is about 1100.0970300083.

Adding to 1331352250 its reverse (522531331), we get a palindrome (1853883581).

The spelling of 1331352250 in words is "one billion, three hundred thirty-one million, three hundred fifty-two thousand, two hundred fifty".