31441053551 has 2 divisors, whose sum is σ = 31441053552. Its totient is φ = 31441053550.

The previous prime is 31441053503. The next prime is 31441053559. The reversal of 31441053551 is 15535014413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31441053551 - 2¹⁸ = 31440791407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31441053559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720526775 + 15720526776.

It is an arithmetic number, because the mean of its divisors is an integer number (15720526776).

Almost surely, 2^31441053551 is an apocalyptic number.

31441053551 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441053551 is an equidigital number, since it uses as much as digits as its factorization.

31441053551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 31441053551 its reverse (15535014413), we get a palindrome (46976067964).

The spelling of 31441053551 in words is "thirty-one billion, four hundred forty-one million, fifty-three thousand, five hundred fifty-one".