31836880152 has 864 divisors, whose sum is σ = 120699830160. Its totient is φ = 7522099200.

The previous prime is 31836880147. The next prime is 31836880171. The reversal of 31836880152 is 25108863813.

It is a junction number, because it is equal to n+sod(n) for n = 31836880098 and 31836880107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 297540883 + ... + 297540989.

Almost surely, 2^31836880152 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 31836880152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60349915080).

31836880152 is an abundant number, since it is smaller than the sum of its proper divisors (88862950008).

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

31836880152 is a wasteful number, since it uses less digits than its factorization.

31836880152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 31836880152 in words is "thirty-one billion, eight hundred thirty-six million, eight hundred eighty thousand, one hundred fifty-two".