31453012112 has 20 divisors (see below), whose sum is σ = 61072416636. Its totient is φ = 15692388480.

The previous prime is 31453012069. The next prime is 31453012121. The reversal of 31453012112 is 21121035413.

It can be written as a sum of positive squares in 2 ways, for example, as 7485018256 + 23967993856 = 86516^2 + 154816^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124743 + ... + 2139494.

Almost surely, 2^31453012112 is an apocalyptic number.

It is an amenable number.

31453012112 is a deficient number, since it is larger than the sum of its proper divisors (29619404524).

31453012112 is a wasteful number, since it uses less digits than its factorization.

31453012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264706 (or 4264700 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 31453012112 its reverse (21121035413), we get a palindrome (52574047525).

It can be divided in two parts, 3145301 and 2112, that added together give a palindrome (3147413).

The spelling of 31453012112 in words is "thirty-one billion, four hundred fifty-three million, twelve thousand, one hundred twelve".