1011135131 has 4 divisors (see below), whose sum is σ = 1055097552. Its totient is φ = 967172712.

The previous prime is 1011135101. The next prime is 1011135157. The reversal of 1011135131 is 1315311101.

It is a happy number.

1011135131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315311101 = 13 ⋅101177777.

It is a cyclic number.

It is not a de Polignac number, because 1011135131 - 2¹⁰ = 1011134107 is a prime.

It is a super-2 number, since 2×1011135131² = 2044788506284774322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011135101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21981176 + ... + 21981221.

It is an arithmetic number, because the mean of its divisors is an integer number (263774388).

Almost surely, 2^1011135131 is an apocalyptic number.

1011135131 is a deficient number, since it is larger than the sum of its proper divisors (43962421).

1011135131 is an equidigital number, since it uses as much as digits as its factorization.

1011135131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43962420.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 1011135131 is about 31798.3510736013. The cubic root of 1011135131 is about 1003.6980181380.

Adding to 1011135131 its reverse (1315311101), we get a palindrome (2326446232).

The spelling of 1011135131 in words is "one billion, eleven million, one hundred thirty-five thousand, one hundred thirty-one".