31474224000 has 512 divisors, whose sum is σ = 118824451200. Its totient is φ = 8183808000.

The previous prime is 31474223981. The next prime is 31474224013. The reversal of 31474224000 is 42247413.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17711112 + ... + 17712888.

Almost surely, 2^31474224000 is an apocalyptic number.

31474224000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31474224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59412225600).

31474224000 is an abundant number, since it is smaller than the sum of its proper divisors (87350227200).

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

31474224000 is a wasteful number, since it uses less digits than its factorization.

31474224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The spelling of 31474224000 in words is "thirty-one billion, four hundred seventy-four million, two hundred twenty-four thousand".