1101142331 has 2 divisors, whose sum is σ = 1101142332. Its totient is φ = 1101142330.

The previous prime is 1101142303. The next prime is 1101142379. The reversal of 1101142331 is 1332411011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101142331 - 2²⁶ = 1034033467 is a prime.

It is a super-2 number, since 2×1101142331² = 2425028866240227122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101148331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550571165 + 550571166.

It is an arithmetic number, because the mean of its divisors is an integer number (550571166).

Almost surely, 2^1101142331 is an apocalyptic number.

1101142331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101142331 is an equidigital number, since it uses as much as digits as its factorization.

1101142331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1101142331 is about 33183.4647226597. The cubic root of 1101142331 is about 1032.6373268555.

Adding to 1101142331 its reverse (1332411011), we get a palindrome (2433553342).

The spelling of 1101142331 in words is "one billion, one hundred one million, one hundred forty-two thousand, three hundred thirty-one".