31211441342 has 16 divisors (see below), whose sum is σ = 48496104000. Its totient is φ = 15047508000.

The previous prime is 31211441333. The next prime is 31211441369. The reversal of 31211441342 is 24314411213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314717 + ... + 401832.

It is an arithmetic number, because the mean of its divisors is an integer number (3031006500).

Almost surely, 2^31211441342 is an apocalyptic number.

31211441342 is a deficient number, since it is larger than the sum of its proper divisors (17284662658).

31211441342 is a wasteful number, since it uses less digits than its factorization.

31211441342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717331.

The product of its digits is 2304, while the sum is 26.

Adding to 31211441342 its reverse (24314411213), we get a palindrome (55525852555).

The spelling of 31211441342 in words is "thirty-one billion, two hundred eleven million, four hundred forty-one thousand, three hundred forty-two".