31442240110 has 64 divisors (see below), whose sum is σ = 59384586240. Its totient is φ = 11971895040.

The previous prime is 31442240059. The next prime is 31442240113. The reversal of 31442240110 is 1104224413.

It is a happy number.

It is a super-2 number, since 2×31442240110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442240113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6146914 + ... + 6152026.

It is an arithmetic number, because the mean of its divisors is an integer number (927884160).

Almost surely, 2^31442240110 is an apocalyptic number.

31442240110 is a deficient number, since it is larger than the sum of its proper divisors (27942346130).

31442240110 is a wasteful number, since it uses less digits than its factorization.

31442240110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31442240110 its reverse (1104224413), we get a palindrome (32546464523).

The spelling of 31442240110 in words is "thirty-one billion, four hundred forty-two million, two hundred forty thousand, one hundred ten".