2031313049 has 2 divisors, whose sum is σ = 2031313050. Its totient is φ = 2031313048.

The previous prime is 2031313019. The next prime is 2031313073. The reversal of 2031313049 is 9403131302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1618613824 + 412699225 = 40232^2 + 20315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031313049 - 2¹² = 2031308953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031313019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015656524 + 1015656525.

It is an arithmetic number, because the mean of its divisors is an integer number (1015656525).

Almost surely, 2^2031313049 is an apocalyptic number.

It is an amenable number.

2031313049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031313049 is an equidigital number, since it uses as much as digits as its factorization.

2031313049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2031313049 is about 45070.0904037256. The cubic root of 2031313049 is about 1266.4623579601.

The spelling of 2031313049 in words is "two billion, thirty-one million, three hundred thirteen thousand, forty-nine".