31312230324153 has 16 divisors (see below), whose sum is σ = 42068812701696. Its totient is φ = 20715237663120.

The previous prime is 31312230324127. The next prime is 31312230324197. The reversal of 31312230324153 is 35142303221313.

It is a de Polignac number, because none of the positive numbers 2^k-31312230324153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31312230324103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38983800 + ... + 39778902.

It is an arithmetic number, because the mean of its divisors is an integer number (2629300793856).

Almost surely, 2^{31312230324153} is an apocalyptic number.

It is an amenable number.

31312230324153 is a deficient number, since it is larger than the sum of its proper divisors (10756582377543).

31312230324153 is a wasteful number, since it uses less digits than its factorization.

31312230324153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895444.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 31312230324153 its reverse (35142303221313), we get a palindrome (66454533545466).

The spelling of 31312230324153 in words is "thirty-one trillion, three hundred twelve billion, two hundred thirty million, three hundred twenty-four thousand, one hundred fifty-three".