31441221102 has 16 divisors (see below), whose sum is σ = 65050802640. Its totient is φ = 10119013632.

The previous prime is 31441221067. The next prime is 31441221103. The reversal of 31441221102 is 20112214413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441221103) 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, 90348163 + ... + 90348510.

It is an arithmetic number, because the mean of its divisors is an integer number (4065675165).

Almost surely, 2^31441221102 is an apocalyptic number.

31441221102 is an abundant number, since it is smaller than the sum of its proper divisors (33609581538).

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

31441221102 is a wasteful number, since it uses less digits than its factorization.

31441221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180696707.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31441221102 its reverse (20112214413), we get a palindrome (51553435515).

The spelling of 31441221102 in words is "thirty-one billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred two".