31006454049 has 20 divisors (see below), whose sum is σ = 46406909296. Its totient is φ = 20631417336.

The previous prime is 31006454033. The next prime is 31006454081. The reversal of 31006454049 is 94045460013.

31006454049 is a `hidden beast` number, since 3 + 1 + 0 + 0 + 645 + 4 + 0 + 4 + 9 = 666.

It is not a de Polignac number, because 31006454049 - 2⁴ = 31006454033 is a prime.

It is a super-2 number, since 2×31006454049² (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 (31006455049) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 323599 + ... + 408324.

Almost surely, 2^31006454049 is an apocalyptic number.

It is an amenable number.

31006454049 is a deficient number, since it is larger than the sum of its proper divisors (15400455247).

31006454049 is an equidigital number, since it uses as much as digits as its factorization.

31006454049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732458 (or 732449 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 31006454049 in words is "thirty-one billion, six million, four hundred fifty-four thousand, forty-nine".