31142050032 has 40 divisors (see below), whose sum is σ = 85182668496. Its totient is φ = 9770054656.

The previous prime is 31142050031. The next prime is 31142050067. The reversal of 31142050032 is 23005024113.

It is a junction number, because it is equal to n+sod(n) for n = 31142049990 and 31142050008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142050031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19081323 + ... + 19082954.

Almost surely, 2^31142050032 is an apocalyptic number.

It is an amenable number.

31142050032 is an abundant number, since it is smaller than the sum of its proper divisors (54040618464).

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

31142050032 is a wasteful number, since it uses less digits than its factorization.

31142050032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38164305 (or 38164299 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 31142050032 its reverse (23005024113), we get a palindrome (54147074145).

The spelling of 31142050032 in words is "thirty-one billion, one hundred forty-two million, fifty thousand, thirty-two".