31423505500002 has 96 divisors (see below), whose sum is σ = 81495031468032. Its totient is φ = 7898660748000.

The previous prime is 31423505500001. The next prime is 31423505500003. The reversal of 31423505500002 is 20000550532413.

It is an interprime number because it is at equal distance from previous prime (31423505500001) and next prime (31423505500003).

It is not an unprimeable number, because it can be changed into a prime (31423505500001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99573024 + ... + 99888107.

It is an arithmetic number, because the mean of its divisors is an integer number (848906577792).

Almost surely, 2^{31423505500002} is an apocalyptic number.

31423505500002 is an abundant number, since it is smaller than the sum of its proper divisors (50071525968030).

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

31423505500002 is a wasteful number, since it uses less digits than its factorization.

31423505500002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199461196 (or 199461185 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 31423505500002 in words is "thirty-one trillion, four hundred twenty-three billion, five hundred five million, five hundred thousand, two".