31501343050152 has 32 divisors (see below), whose sum is σ = 79928780877600. Its totient is φ = 10343724583104.

The previous prime is 31501343050109. The next prime is 31501343050189. The reversal of 31501343050152 is 25105034310513.

It is a super-2 number, since 2×31501343050152² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9795192127 + ... + 9795195342.

It is an arithmetic number, because the mean of its divisors is an integer number (2497774402425).

Almost surely, 2^{31501343050152} is an apocalyptic number.

It is an amenable number.

31501343050152 is an abundant number, since it is smaller than the sum of its proper divisors (48427437827448).

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

31501343050152 is a wasteful number, since it uses less digits than its factorization.

31501343050152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19590387545 (or 19590387541 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 31501343050152 its reverse (25105034310513), we get a palindrome (56606377360665).

The spelling of 31501343050152 in words is "thirty-one trillion, five hundred one billion, three hundred forty-three million, fifty thousand, one hundred fifty-two".