1013021131 has 16 divisors (see below), whose sum is σ = 1093183488. Its totient is φ = 935985600.

The previous prime is 1013021129. The next prime is 1013021137. The reversal of 1013021131 is 1311203101.

It is a cyclic number.

It is not a de Polignac number, because 1013021131 - 2¹ = 1013021129 is a prime.

It is a super-2 number, since 2×1013021131² = 2052423623705038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541660 + ... + 543526.

It is an arithmetic number, because the mean of its divisors is an integer number (68323968).

Almost surely, 2^1013021131 is an apocalyptic number.

1013021131 is a deficient number, since it is larger than the sum of its proper divisors (80162357).

1013021131 is a wasteful number, since it uses less digits than its factorization.

1013021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1013021131 is about 31827.9928836237. The cubic root of 1013021131 is about 1004.3216732354.

Adding to 1013021131 its reverse (1311203101), we get a palindrome (2324224232).

The spelling of 1013021131 in words is "one billion, thirteen million, twenty-one thousand, one hundred thirty-one".