31553253222141 has 12 divisors (see below), whose sum is σ = 48939739691712. Its totient is φ = 18030430412568.

The previous prime is 31553253222137. The next prime is 31553253222191. The reversal of 31553253222141 is 14122235235513.

It is not a de Polignac number, because 31553253222141 - 2² = 31553253222137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31553253222141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31553253222191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107323990405 + ... + 107323990698.

It is an arithmetic number, because the mean of its divisors is an integer number (4078311640976).

Almost surely, 2^{31553253222141} is an apocalyptic number.

It is an amenable number.

31553253222141 is a deficient number, since it is larger than the sum of its proper divisors (17386486469571).

31553253222141 is a wasteful number, since it uses less digits than its factorization.

31553253222141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214647981120 (or 214647981113 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

Adding to 31553253222141 its reverse (14122235235513), we get a palindrome (45675488457654).

The spelling of 31553253222141 in words is "thirty-one trillion, five hundred fifty-three billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-one".