1133021131 has 24 divisors (see below), whose sum is σ = 1274010192. Its totient is φ = 1006632000.

The previous prime is 1133021119. The next prime is 1133021159. The reversal of 1133021131 is 1311203311.

It is not a de Polignac number, because 1133021131 - 2⁹ = 1133020619 is a prime.

It is a super-2 number, since 2×1133021131² = 2567473766585038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133021161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1013785 + ... + 1014901.

It is an arithmetic number, because the mean of its divisors is an integer number (53083758).

Almost surely, 2^1133021131 is an apocalyptic number.

1133021131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1133021131 is a deficient number, since it is larger than the sum of its proper divisors (140989061).

1133021131 is a wasteful number, since it uses less digits than its factorization.

1133021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1133021131 is about 33660.3792462295. The cubic root of 1133021131 is about 1042.5078564086.

Adding to 1133021131 its reverse (1311203311), we get a palindrome (2444224442).

The spelling of 1133021131 in words is "one billion, one hundred thirty-three million, twenty-one thousand, one hundred thirty-one".