10781085331 has 2 divisors, whose sum is σ = 10781085332. Its totient is φ = 10781085330.

The previous prime is 10781085323. The next prime is 10781085379. The reversal of 10781085331 is 13358018701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10781085331 - 2³ = 10781085323 is a prime.

It is a super-2 number, since 2×10781085331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10781085311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5390542665 + 5390542666.

It is an arithmetic number, because the mean of its divisors is an integer number (5390542666).

Almost surely, 2^10781085331 is an apocalyptic number.

10781085331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10781085331 is an equidigital number, since it uses as much as digits as its factorization.

10781085331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 10781085331 in words is "ten billion, seven hundred eighty-one million, eighty-five thousand, three hundred thirty-one".