32131001004 has 24 divisors (see below), whose sum is σ = 78918248640. Its totient is φ = 10146631824.

The previous prime is 32131000997. The next prime is 32131001009. The reversal of 32131001004 is 40010013123.

It is not an unprimeable number, because it can be changed into a prime (32131001009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70462494 + ... + 70462949.

It is an arithmetic number, because the mean of its divisors is an integer number (3288260360).

Almost surely, 2^32131001004 is an apocalyptic number.

It is an amenable number.

32131001004 is an abundant number, since it is smaller than the sum of its proper divisors (46787247636).

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

32131001004 is a wasteful number, since it uses less digits than its factorization.

32131001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140925469 (or 140925467 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 32131001004 its reverse (40010013123), we get a palindrome (72141014127).

The spelling of 32131001004 in words is "thirty-two billion, one hundred thirty-one million, one thousand, four".