2031132109 has 2 divisors, whose sum is σ = 2031132110. Its totient is φ = 2031132108.

The previous prime is 2031132097. The next prime is 2031132127. The reversal of 2031132109 is 9012311302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354976100 + 676156009 = 36810^2 + 26003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031132109 - 2¹¹ = 2031130061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031132109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031132149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015566054 + 1015566055.

It is an arithmetic number, because the mean of its divisors is an integer number (1015566055).

Almost surely, 2^2031132109 is an apocalyptic number.

It is an amenable number.

2031132109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031132109 is an equidigital number, since it uses as much as digits as its factorization.

2031132109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2031132109 is about 45068.0830411057. The cubic root of 2031132109 is about 1266.4247533011.

The spelling of 2031132109 in words is "two billion, thirty-one million, one hundred thirty-two thousand, one hundred nine".