31454672508 has 216 divisors, whose sum is σ = 96422678352. Its totient is φ = 8612448768.

The previous prime is 31454672507. The next prime is 31454672521. The reversal of 31454672508 is 80527645413.

31454672508 is a `hidden beast` number, since 31 + 4 + 5 + 46 + 72 + 508 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454672507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4369360 + ... + 4376552.

Almost surely, 2^31454672508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31454672508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48211339176).

31454672508 is an abundant number, since it is smaller than the sum of its proper divisors (64968005844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31454672508 is a wasteful number, since it uses less digits than its factorization.

31454672508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321 (or 7309 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 31454672508 in words is "thirty-one billion, four hundred fifty-four million, six hundred seventy-two thousand, five hundred eight".