31211054313141 has 16 divisors (see below), whose sum is σ = 41889123739008. Its totient is φ = 20670421550400.

The previous prime is 31211054313139. The next prime is 31211054313149. The reversal of 31211054313141 is 14131345011213.

It is a happy number.

It is not a de Polignac number, because 31211054313141 - 2¹ = 31211054313139 is a prime.

It is a super-2 number, since 2×31211054313141² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31211054313099 and 31211054313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31211054313149) 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, 30030441 + ... + 31052366.

It is an arithmetic number, because the mean of its divisors is an integer number (2618070233688).

Almost surely, 2^{31211054313141} is an apocalyptic number.

It is an amenable number.

31211054313141 is a deficient number, since it is larger than the sum of its proper divisors (10678069425867).

31211054313141 is a wasteful number, since it uses less digits than its factorization.

31211054313141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61083932.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 31211054313141 its reverse (14131345011213), we get a palindrome (45342399324354).

The spelling of 31211054313141 in words is "thirty-one trillion, two hundred eleven billion, fifty-four million, three hundred thirteen thousand, one hundred forty-one".