31441132211142 has 32 divisors (see below), whose sum is σ = 65464953573600. Its totient is φ = 10054532936448.

The previous prime is 31441132211089. The next prime is 31441132211191. The reversal of 31441132211142 is 24111223114413.

It is a super-2 number, since 2×31441132211142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575438167 + ... + 575492802.

It is an arithmetic number, because the mean of its divisors is an integer number (2045779799175).

Almost surely, 2^{31441132211142} is an apocalyptic number.

31441132211142 is an abundant number, since it is smaller than the sum of its proper divisors (34023821362458).

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

31441132211142 is a wasteful number, since it uses less digits than its factorization.

31441132211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150931160.

The product of its digits is 4608, while the sum is 30.

Adding to 31441132211142 its reverse (24111223114413), we get a palindrome (55552355325555).

The spelling of 31441132211142 in words is "thirty-one trillion, four hundred forty-one billion, one hundred thirty-two million, two hundred eleven thousand, one hundred forty-two".