31468149880 has 128 divisors (see below), whose sum is σ = 75750681600. Its totient is φ = 11723917312.

The previous prime is 31468149851. The next prime is 31468149887. The reversal of 31468149880 is 8894186413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31468149887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32011869 + ... + 32012851.

It is an arithmetic number, because the mean of its divisors is an integer number (591802200).

Almost surely, 2^31468149880 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 31468149880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37875340800).

31468149880 is an abundant number, since it is smaller than the sum of its proper divisors (44282531720).

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

31468149880 is a wasteful number, since it uses less digits than its factorization.

31468149880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 31468149880 in words is "thirty-one billion, four hundred sixty-eight million, one hundred forty-nine thousand, eight hundred eighty".