31231132010133 has 48 divisors (see below), whose sum is σ = 47987722460736. Its totient is φ = 17915336974080.

The previous prime is 31231132010131. The next prime is 31231132010161. The reversal of 31231132010133 is 33101023113213.

It is not a de Polignac number, because 31231132010133 - 2¹ = 31231132010131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31231132010131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11821641 + ... + 14220177.

It is an arithmetic number, because the mean of its divisors is an integer number (999744217932).

Almost surely, 2^{31231132010133} is an apocalyptic number.

31231132010133 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31231132010133 is a deficient number, since it is larger than the sum of its proper divisors (16756590450603).

31231132010133 is a wasteful number, since it uses less digits than its factorization.

31231132010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399682 (or 2399663 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31231132010133 its reverse (33101023113213), we get a palindrome (64332155123346).

The spelling of 31231132010133 in words is "thirty-one trillion, two hundred thirty-one billion, one hundred thirty-two million, ten thousand, one hundred thirty-three".