31205303150124 has 12 divisors (see below), whose sum is σ = 72812374016984. Its totient is φ = 10401767716704.

The previous prime is 31205303150117. The next prime is 31205303150129. The reversal of 31205303150124 is 42105130350213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×31205303150124² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31205303150091 and 31205303150100.

It is not an unprimeable number, because it can be changed into a prime (31205303150129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300220964577 + ... + 1300220964600.

Almost surely, 2^{31205303150124} is an apocalyptic number.

It is an amenable number.

31205303150124 is an abundant number, since it is smaller than the sum of its proper divisors (41607070866860).

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

31205303150124 is a wasteful number, since it uses less digits than its factorization.

31205303150124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600441929184 (or 2600441929182 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 31205303150124 in words is "thirty-one trillion, two hundred five billion, three hundred three million, one hundred fifty thousand, one hundred twenty-four".