2131350 has 48 divisors (see below), whose sum is σ = 5697552. Its totient is φ = 524160.

The previous prime is 2131321. The next prime is 2131361. The reversal of 2131350 is 531312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1404 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (118699).

2^2131350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848776).

2131350 is an abundant number, since it is smaller than the sum of its proper divisors (3566202).

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

2131350 is a wasteful number, since it uses less digits than its factorization.

2131350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2131350 is about 1459.9143810512. The cubic root of 2131350 is about 128.6920120932.

Adding to 2131350 its reverse (531312), we get a palindrome (2662662).

The spelling of 2131350 in words is "two million, one hundred thirty-one thousand, three hundred fifty".