31442271310 has 64 divisors (see below), whose sum is σ = 57958198272. Its totient is φ = 12279050496.

The previous prime is 31442271271. The next prime is 31442271383. The reversal of 31442271310 is 1317224413.

It is a super-2 number, since 2×31442271310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23000247 + ... + 23001613.

It is an arithmetic number, because the mean of its divisors is an integer number (905596848).

Almost surely, 2^31442271310 is an apocalyptic number.

31442271310 is a deficient number, since it is larger than the sum of its proper divisors (26515926962).

31442271310 is a wasteful number, since it uses less digits than its factorization.

31442271310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 31442271310 its reverse (1317224413), we get a palindrome (32759495723).

The spelling of 31442271310 in words is "thirty-one billion, four hundred forty-two million, two hundred seventy-one thousand, three hundred ten".