2031449461 has 8 divisors (see below), whose sum is σ = 2065347000. Its totient is φ = 1997822400.

The previous prime is 2031449423. The next prime is 2031449489. The reversal of 2031449461 is 1649441302.

It can be written as a sum of positive squares in 4 ways, for example, as 935442225 + 1096007236 = 30585^2 + 33106^2 .

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 2031449461 - 2¹¹ = 2031447413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031449261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52446 + ... + 82543.

It is an arithmetic number, because the mean of its divisors is an integer number (258168375).

Almost surely, 2^2031449461 is an apocalyptic number.

It is an amenable number.

2031449461 is a deficient number, since it is larger than the sum of its proper divisors (33897539).

2031449461 is a wasteful number, since it uses less digits than its factorization.

2031449461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135239.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2031449461 is about 45071.6037100967. The cubic root of 2031449461 is about 1266.4907069134.

The spelling of 2031449461 in words is "two billion, thirty-one million, four hundred forty-nine thousand, four hundred sixty-one".