31503042554012 has 24 divisors (see below), whose sum is σ = 58376573569440. Its totient is φ = 14824125941760.

The previous prime is 31503042553999. The next prime is 31503042554021. The reversal of 31503042554012 is 21045524030513.

It is a super-3 number, since 3×31503042554012³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 11834312 + ... + 14249807.

It is an arithmetic number, because the mean of its divisors is an integer number (2432357232060).

Almost surely, 2^{31503042554012} is an apocalyptic number.

It is an amenable number.

31503042554012 is a deficient number, since it is larger than the sum of its proper divisors (26873531015428).

31503042554012 is a wasteful number, since it uses less digits than its factorization.

31503042554012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26101901 (or 26101899 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 31503042554012 its reverse (21045524030513), we get a palindrome (52548566584525).

The spelling of 31503042554012 in words is "thirty-one trillion, five hundred three billion, forty-two million, five hundred fifty-four thousand, twelve".