31613224653043 has 16 divisors (see below), whose sum is σ = 37365015194496. Its totient is φ = 26419707699840.

The previous prime is 31613224653037. The next prime is 31613224653067. The reversal of 31613224653043 is 34035642231613.

It is a cyclic number.

It is not a de Polignac number, because 31613224653043 - 2²⁹ = 31612687782131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (31613224653343) 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 15 ways as a sum of consecutive naturals, for example, 1965744021 + ... + 1965760102.

It is an arithmetic number, because the mean of its divisors is an integer number (2335313449656).

Almost surely, 2^{31613224653043} is an apocalyptic number.

31613224653043 is a deficient number, since it is larger than the sum of its proper divisors (5751790541453).

31613224653043 is a wasteful number, since it uses less digits than its factorization.

31613224653043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931504194.

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 31613224653043 its reverse (34035642231613), we get a palindrome (65648866884656).

The spelling of 31613224653043 in words is "thirty-one trillion, six hundred thirteen billion, two hundred twenty-four million, six hundred fifty-three thousand, forty-three".