2131015 has 8 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 1658592.

The previous prime is 2131013. The next prime is 2131039. The reversal of 2131015 is 5101312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131015 - 2¹ = 2131013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130986 and 2131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5575 + ... + 5944.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

2^2131015 is an apocalyptic number.

2131015 is a deficient number, since it is larger than the sum of its proper divisors (495545).

2131015 is a wasteful number, since it uses less digits than its factorization.

2131015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2131015 is about 1459.7996437868. The cubic root of 2131015 is about 128.6852692490.

Adding to 2131015 its reverse (5101312), we get a palindrome (7232327).

The spelling of 2131015 in words is "two million, one hundred thirty-one thousand, fifteen".