1331605050 has 48 divisors (see below), whose sum is σ = 3305225952. Its totient is φ = 354788800.

The previous prime is 1331605027. The next prime is 1331605073. The reversal of 1331605050 is 505061331.

It is an interprime number because it is at equal distance from previous prime (1331605027) and next prime (1331605073).

It is a self number, because there is not a number n which added to its sum of digits gives 1331605050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210940 + ... + 217160.

It is an arithmetic number, because the mean of its divisors is an integer number (68858874).

Almost surely, 2^1331605050 is an apocalyptic number.

1331605050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331605050 is an abundant number, since it is smaller than the sum of its proper divisors (1973620902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331605050 is a wasteful number, since it uses less digits than its factorization.

1331605050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663 (or 7658 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1331605050 is about 36491.1639989738. The cubic root of 1331605050 is about 1100.1666551904.

Adding to 1331605050 its reverse (505061331), we get a palindrome (1836666381).

The spelling of 1331605050 in words is "one billion, three hundred thirty-one million, six hundred five thousand, fifty".