2131029 has 10 divisors (see below), whose sum is σ = 3183510. Its totient is φ = 1420632.

The previous prime is 2131013. The next prime is 2131039. The reversal of 2131029 is 9201312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 762129 = 1170^2 + 873^2 .

It is not a de Polignac number, because 2131029 - 2⁴ = 2131013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131039) 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 9 ways as a sum of consecutive naturals, for example, 13074 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (318351).

2^2131029 is an apocalyptic number.

It is an amenable number.

2131029 is a deficient number, since it is larger than the sum of its proper divisors (1052481).

2131029 is an equidigital number, since it uses as much as digits as its factorization.

2131029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26321 (or 26312 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2131029 is about 1459.8044389575. The cubic root of 2131029 is about 128.6855510537.

The spelling of 2131029 in words is "two million, one hundred thirty-one thousand, twenty-nine".