32642223154031 has 4 divisors (see below), whose sum is σ = 34360234899000. Its totient is φ = 30924211409064.

The previous prime is 32642223154007. The next prime is 32642223154063. The reversal of 32642223154031 is 13045132224623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32642223154031 is a prime.

It is a super-2 number, since 2×32642223154031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32642223154531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859005872456 + ... + 859005872493.

It is an arithmetic number, because the mean of its divisors is an integer number (8590058724750).

Almost surely, 2^{32642223154031} is an apocalyptic number.

32642223154031 is a deficient number, since it is larger than the sum of its proper divisors (1718011744969).

32642223154031 is a wasteful number, since it uses less digits than its factorization.

32642223154031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718011744968.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 32642223154031 its reverse (13045132224623), we get a palindrome (45687355378654).

The spelling of 32642223154031 in words is "thirty-two trillion, six hundred forty-two billion, two hundred twenty-three million, one hundred fifty-four thousand, thirty-one".