32100331242 has 64 divisors (see below), whose sum is σ = 77400161280. Its totient is φ = 8670105216.

The previous prime is 32100331229. The next prime is 32100331259. The reversal of 32100331242 is 24213300123.

It is a super-2 number, since 2×32100331242² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329598 + ... + 415734.

It is an arithmetic number, because the mean of its divisors is an integer number (1209377520).

Almost surely, 2^32100331242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32100331242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38700080640).

32100331242 is an abundant number, since it is smaller than the sum of its proper divisors (45299830038).

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

32100331242 is a wasteful number, since it uses less digits than its factorization.

32100331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86635.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32100331242 its reverse (24213300123), we get a palindrome (56313631365).

The spelling of 32100331242 in words is "thirty-two billion, one hundred million, three hundred thirty-one thousand, two hundred forty-two".