32020311131 has 2 divisors, whose sum is σ = 32020311132. Its totient is φ = 32020311130.

The previous prime is 32020311079. The next prime is 32020311173. The reversal of 32020311131 is 13111302023.

It is a strong prime.

It is an emirp because it is prime and its reverse (13111302023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32020311131 - 2⁶ = 32020311067 is a prime.

It is a super-2 number, since 2×32020311131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32020311181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010155565 + 16010155566.

It is an arithmetic number, because the mean of its divisors is an integer number (16010155566).

Almost surely, 2^32020311131 is an apocalyptic number.

32020311131 is a deficient number, since it is larger than the sum of its proper divisors (1).

32020311131 is an equidigital number, since it uses as much as digits as its factorization.

32020311131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 32020311131 its reverse (13111302023), we get a palindrome (45131613154).

The spelling of 32020311131 in words is "thirty-two billion, twenty million, three hundred eleven thousand, one hundred thirty-one".