31186482152 has 64 divisors (see below), whose sum is σ = 68983643520. Its totient is φ = 12938220288.

The previous prime is 31186482149. The next prime is 31186482157. The reversal of 31186482152 is 25128468113.

It is a super-2 number, since 2×31186482152² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31186482157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369983 + ... + 446385.

It is an arithmetic number, because the mean of its divisors is an integer number (1077869430).

Almost surely, 2^31186482152 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 31186482152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34491821760).

31186482152 is an abundant number, since it is smaller than the sum of its proper divisors (37797161368).

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

31186482152 is a wasteful number, since it uses less digits than its factorization.

31186482152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76650 (or 76646 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The spelling of 31186482152 in words is "thirty-one billion, one hundred eighty-six million, four hundred eighty-two thousand, one hundred fifty-two".