32005031142 has 64 divisors (see below), whose sum is σ = 73761684480. Its totient is φ = 9068514816.

The previous prime is 32005031141. The next prime is 32005031143. The reversal of 32005031142 is 24113050023.

It is an interprime number because it is at equal distance from previous prime (32005031141) and next prime (32005031143).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32005031141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7587418 + ... + 7591634.

It is an arithmetic number, because the mean of its divisors is an integer number (1152526320).

Almost surely, 2^32005031142 is an apocalyptic number.

32005031142 is an abundant number, since it is smaller than the sum of its proper divisors (41756653338).

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

32005031142 is a wasteful number, since it uses less digits than its factorization.

32005031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685.

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

Adding to 32005031142 its reverse (24113050023), we get a palindrome (56118081165).

The spelling of 32005031142 in words is "thirty-two billion, five million, thirty-one thousand, one hundred forty-two".