32312231131 has 2 divisors, whose sum is σ = 32312231132. Its totient is φ = 32312231130.

The previous prime is 32312231101. The next prime is 32312231197. The reversal of 32312231131 is 13113221323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32312231131 - 2¹³ = 32312222939 is a prime.

It is a super-2 number, since 2×32312231131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32312231101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156115565 + 16156115566.

It is an arithmetic number, because the mean of its divisors is an integer number (16156115566).

Almost surely, 2^32312231131 is an apocalyptic number.

32312231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

32312231131 is an equidigital number, since it uses as much as digits as its factorization.

32312231131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

Adding to 32312231131 its reverse (13113221323), we get a palindrome (45425452454).

The spelling of 32312231131 in words is "thirty-two billion, three hundred twelve million, two hundred thirty-one thousand, one hundred thirty-one".