31450065450 has 96 divisors (see below), whose sum is σ = 86174948736. Its totient is φ = 7550146560.

The previous prime is 31450065431. The next prime is 31450065509. The reversal of 31450065450 is 5456005413.

31450065450 is a modest number, since divided by 65450 gives 31450 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209467 + ... + 326766.

It is an arithmetic number, because the mean of its divisors is an integer number (897655716).

Almost surely, 2^31450065450 is an apocalyptic number.

31450065450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31450065450 is an abundant number, since it is smaller than the sum of its proper divisors (54724883286).

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

31450065450 is a wasteful number, since it uses less digits than its factorization.

31450065450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536288 (or 536283 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 31450065450 in words is "thirty-one billion, four hundred fifty million, sixty-five thousand, four hundred fifty".