31553420204041 has 16 divisors (see below), whose sum is σ = 32013561305088. Its totient is φ = 31093719930000.

The previous prime is 31553420204017. The next prime is 31553420204063. The reversal of 31553420204041 is 14040202435513.

It is a cyclic number.

It is not a de Polignac number, because 31553420204041 - 2²³ = 31553411815433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31553420203988 and 31553420204006.

It is not an unprimeable number, because it can be changed into a prime (31553420204441) 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, 1838019040 + ... + 1838036206.

It is an arithmetic number, because the mean of its divisors is an integer number (2000847581568).

Almost surely, 2^{31553420204041} is an apocalyptic number.

It is an amenable number.

31553420204041 is a deficient number, since it is larger than the sum of its proper divisors (460141101047).

31553420204041 is a wasteful number, since it uses less digits than its factorization.

31553420204041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28452.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 31553420204041 its reverse (14040202435513), we get a palindrome (45593622639554).

The spelling of 31553420204041 in words is "thirty-one trillion, five hundred fifty-three billion, four hundred twenty million, two hundred four thousand, forty-one".