32020001231 has 2 divisors, whose sum is σ = 32020001232. Its totient is φ = 32020001230.

The previous prime is 32020001203. The next prime is 32020001239. The reversal of 32020001231 is 13210002023.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13210002023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32020001231 is a prime.

It is a super-2 number, since 2×32020001231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32020001239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010000615 + 16010000616.

It is an arithmetic number, because the mean of its divisors is an integer number (16010000616).

Almost surely, 2^32020001231 is an apocalyptic number.

32020001231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32020001231 is an equidigital number, since it uses as much as digits as its factorization.

32020001231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 32020001231 its reverse (13210002023), we get a palindrome (45230003254).

The spelling of 32020001231 in words is "thirty-two billion, twenty million, one thousand, two hundred thirty-one".