1021411131 has 16 divisors (see below), whose sum is σ = 1467215904. Its totient is φ = 628314624.

The previous prime is 1021411123. The next prime is 1021411141. The reversal of 1021411131 is 1311141201.

It is not a de Polignac number, because 1021411131 - 2³ = 1021411123 is a prime.

It is a super-2 number, since 2×1021411131² = 2086561397061398322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021411131.

It is not an unprimeable number, because it can be changed into a prime (1021411141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185145 + ... + 190581.

It is an arithmetic number, because the mean of its divisors is an integer number (91700994).

Almost surely, 2^1021411131 is an apocalyptic number.

1021411131 is a deficient number, since it is larger than the sum of its proper divisors (445804773).

1021411131 is a wasteful number, since it uses less digits than its factorization.

1021411131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1021411131 is about 31959.5233224778. The cubic root of 1021411131 is about 1007.0867036632.

Adding to 1021411131 its reverse (1311141201), we get a palindrome (2332552332).

The spelling of 1021411131 in words is "one billion, twenty-one million, four hundred eleven thousand, one hundred thirty-one".