911131349 has 2 divisors, whose sum is σ = 911131350. Its totient is φ = 911131348.

The previous prime is 911131313. The next prime is 911131357. The reversal of 911131349 is 943131119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555544900 + 355586449 = 23570^2 + 18857^2 .

It is a cyclic number.

It is not a de Polignac number, because 911131349 - 2⁸ = 911131093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (911131399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455565674 + 455565675.

It is an arithmetic number, because the mean of its divisors is an integer number (455565675).

Almost surely, 2^911131349 is an apocalyptic number.

It is an amenable number.

911131349 is a deficient number, since it is larger than the sum of its proper divisors (1).

911131349 is an equidigital number, since it uses as much as digits as its factorization.

911131349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 32.

The square root of 911131349 is about 30184.9523604063. The cubic root of 911131349 is about 969.4535303619.

The spelling of 911131349 in words is "nine hundred eleven million, one hundred thirty-one thousand, three hundred forty-nine".