32312213287 has 2 divisors, whose sum is σ = 32312213288. Its totient is φ = 32312213286.

The previous prime is 32312213281. The next prime is 32312213341. The reversal of 32312213287 is 78231221323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32312213287 - 2¹⁹ = 32311688999 is a prime.

It is a super-3 number, since 3×32312213287³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32312213281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156106643 + 16156106644.

It is an arithmetic number, because the mean of its divisors is an integer number (16156106644).

Almost surely, 2^32312213287 is an apocalyptic number.

32312213287 is a deficient number, since it is larger than the sum of its proper divisors (1).

32312213287 is an equidigital number, since it uses as much as digits as its factorization.

32312213287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The spelling of 32312213287 in words is "thirty-two billion, three hundred twelve million, two hundred thirteen thousand, two hundred eighty-seven".