2031403249 has 2 divisors, whose sum is σ = 2031403250. Its totient is φ = 2031403248.

The previous prime is 2031403211. The next prime is 2031403289. The reversal of 2031403249 is 9423041302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1550390625 + 481012624 = 39375^2 + 21932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031403249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031403289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015701624 + 1015701625.

It is an arithmetic number, because the mean of its divisors is an integer number (1015701625).

Almost surely, 2^2031403249 is an apocalyptic number.

It is an amenable number.

2031403249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031403249 is an equidigital number, since it uses as much as digits as its factorization.

2031403249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2031403249 is about 45071.0910562414. The cubic root of 2031403249 is about 1266.4811033416.

The spelling of 2031403249 in words is "two billion, thirty-one million, four hundred three thousand, two hundred forty-nine".