31203043140032 has 42 divisors (see below), whose sum is σ = 61948857498024. Its totient is φ = 15593885931520.

The previous prime is 31203043139959. The next prime is 31203043140077. The reversal of 31203043140032 is 23004134030213.

It is a super-2 number, since 2×31203043140032² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31203043139983 and 31203043140010.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 277099613 + ... + 277212195.

It is an arithmetic number, because the mean of its divisors is an integer number (1474972797572).

Almost surely, 2^{31203043140032} is an apocalyptic number.

31203043140032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31203043140032 is a deficient number, since it is larger than the sum of its proper divisors (30745814357992).

31203043140032 is an frugal number, since it uses more digits than its factorization.

31203043140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116757 (or 114666 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31203043140032 its reverse (23004134030213), we get a palindrome (54207177170245).

The spelling of 31203043140032 in words is "thirty-one trillion, two hundred three billion, forty-three million, one hundred forty thousand, thirty-two".