31345324100141 has 4 divisors (see below), whose sum is σ = 32708164278432. Its totient is φ = 29982483921852.

The previous prime is 31345324100089. The next prime is 31345324100143. The reversal of 31345324100141 is 14100142354313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31345324100141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31345324100098 and 31345324100107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31345324100143) 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 3 ways as a sum of consecutive naturals, for example, 681420089111 + ... + 681420089156.

It is an arithmetic number, because the mean of its divisors is an integer number (8177041069608).

Almost surely, 2^{31345324100141} is an apocalyptic number.

It is an amenable number.

31345324100141 is a deficient number, since it is larger than the sum of its proper divisors (1362840178291).

31345324100141 is a wasteful number, since it uses less digits than its factorization.

31345324100141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362840178290.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 31345324100141 its reverse (14100142354313), we get a palindrome (45445466454454).

The spelling of 31345324100141 in words is "thirty-one trillion, three hundred forty-five billion, three hundred twenty-four million, one hundred thousand, one hundred forty-one".