32131220431102 has 32 divisors (see below), whose sum is σ = 52674529888512. Its totient is φ = 14611093576704.

The previous prime is 32131220431097. The next prime is 32131220431109. The reversal of 32131220431102 is 20113402213123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131220431109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28003453 + ... + 29128264.

It is an arithmetic number, because the mean of its divisors is an integer number (1646079059016).

Almost surely, 2^{32131220431102} is an apocalyptic number.

32131220431102 is a deficient number, since it is larger than the sum of its proper divisors (20543309457410).

32131220431102 is a wasteful number, since it uses less digits than its factorization.

32131220431102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57132052.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 32131220431102 its reverse (20113402213123), we get a palindrome (52244622644225).

The spelling of 32131220431102 in words is "thirty-two trillion, one hundred thirty-one billion, two hundred twenty million, four hundred thirty-one thousand, one hundred two".