131021350 has 24 divisors (see below), whose sum is σ = 246446280. Its totient is φ = 51817920.

The previous prime is 131021347. The next prime is 131021389. The reversal of 131021350 is 53120131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10272 + ... + 19171.

It is an arithmetic number, because the mean of its divisors is an integer number (10268595).

Almost surely, 2^131021350 is an apocalyptic number.

131021350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131021350 is a deficient number, since it is larger than the sum of its proper divisors (115424930).

131021350 is a wasteful number, since it uses less digits than its factorization.

131021350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29544 (or 29539 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 131021350 is about 11446.4557833418. The cubic root of 131021350 is about 507.9028969960.

Adding to 131021350 its reverse (53120131), we get a palindrome (184141481).

The spelling of 131021350 in words is "one hundred thirty-one million, twenty-one thousand, three hundred fifty".