31114490449 has 27 divisors (see below), whose sum is σ = 36682036443. Its totient is φ = 26315013312.

The previous prime is 31114490447. The next prime is 31114490467. The reversal of 31114490449 is 94409441113.

The square root of 31114490449 is 176393.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 548262225 + 30566228224 = 23415^2 + 174832^2 .

It is not a de Polignac number, because 31114490449 - 2¹ = 31114490447 is a prime.

It is a super-2 number, since 2×31114490449² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31114490447) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 139526752 + ... + 139526974.

Almost surely, 2^31114490449 is an apocalyptic number.

31114490449 is the 176393-rd square number.

31114490449 is the 88197-th centered octagonal number.

It is an amenable number.

31114490449 is a deficient number, since it is larger than the sum of its proper divisors (5567545994).

31114490449 is an frugal number, since it uses more digits than its factorization.

31114490449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 31114490449 in words is "thirty-one billion, one hundred fourteen million, four hundred ninety thousand, four hundred forty-nine".