31353454253311 has 4 divisors (see below), whose sum is σ = 31528613215800. Its totient is φ = 31178295290824.

The previous prime is 31353454253279. The next prime is 31353454253353. The reversal of 31353454253311 is 11335245435313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31353454253311 - 2⁵ = 31353454253279 is a prime.

It is a super-2 number, since 2×31353454253311² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31353454253711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87579480976 + ... + 87579481333.

It is an arithmetic number, because the mean of its divisors is an integer number (7882153303950).

Almost surely, 2^{31353454253311} is an apocalyptic number.

31353454253311 is a deficient number, since it is larger than the sum of its proper divisors (175158962489).

31353454253311 is a wasteful number, since it uses less digits than its factorization.

31353454253311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175158962488.

The product of its digits is 972000, while the sum is 43.

Adding to 31353454253311 its reverse (11335245435313), we get a palindrome (42688699688624).

The spelling of 31353454253311 in words is "thirty-one trillion, three hundred fifty-three billion, four hundred fifty-four million, two hundred fifty-three thousand, three hundred eleven".