31153025213153 has 4 divisors (see below), whose sum is σ = 31153052992560. Its totient is φ = 31152997433748.

The previous prime is 31153025213117. The next prime is 31153025213197. The reversal of 31153025213153 is 35131252035113.

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 not a de Polignac number, because 31153025213153 - 2¹⁶ = 31153025147617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31153025233153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12133523 + ... + 14475096.

It is an arithmetic number, because the mean of its divisors is an integer number (7788263248140).

Almost surely, 2^{31153025213153} is an apocalyptic number.

It is an amenable number.

31153025213153 is a deficient number, since it is larger than the sum of its proper divisors (27779407).

31153025213153 is a wasteful number, since it uses less digits than its factorization.

31153025213153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27779406.

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 31153025213153 its reverse (35131252035113), we get a palindrome (66284277248266).

The spelling of 31153025213153 in words is "thirty-one trillion, one hundred fifty-three billion, twenty-five million, two hundred thirteen thousand, one hundred fifty-three".