32011033381 has 2 divisors, whose sum is σ = 32011033382. Its totient is φ = 32011033380.

The previous prime is 32011033343. The next prime is 32011033421. The reversal of 32011033381 is 18333011023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28596501025 + 3414532356 = 169105^2 + 58434^2 .

It is a cyclic number.

It is not a de Polignac number, because 32011033381 - 2⁹ = 32011032869 is a prime.

It is a super-2 number, since 2×32011033381² (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 (32011033321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16005516690 + 16005516691.

It is an arithmetic number, because the mean of its divisors is an integer number (16005516691).

Almost surely, 2^32011033381 is an apocalyptic number.

It is an amenable number.

32011033381 is a deficient number, since it is larger than the sum of its proper divisors (1).

32011033381 is an equidigital number, since it uses as much as digits as its factorization.

32011033381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 32011033381 in words is "thirty-two billion, eleven million, thirty-three thousand, three hundred eighty-one".