31211001033132 has 24 divisors (see below), whose sum is σ = 72868684877296. Its totient is φ = 10397521896768.

The previous prime is 31211001033083. The next prime is 31211001033133. The reversal of 31211001033132 is 23133010011213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31211001033099 and 31211001033108.

It is not an unprimeable number, because it can be changed into a prime (31211001033133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 768118123 + ... + 768158754.

Almost surely, 2^{31211001033132} is an apocalyptic number.

It is an amenable number.

31211001033132 is an abundant number, since it is smaller than the sum of its proper divisors (41657683844164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31211001033132 is a wasteful number, since it uses less digits than its factorization.

31211001033132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536278577 (or 1536278575 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31211001033132 its reverse (23133010011213), we get a palindrome (54344011044345).

The spelling of 31211001033132 in words is "thirty-one trillion, two hundred eleven billion, one million, thirty-three thousand, one hundred thirty-two".