1021140131 has 16 divisors (see below), whose sum is σ = 1165287168. Its totient is φ = 885746400.

The previous prime is 1021140091. The next prime is 1021140143. The reversal of 1021140131 is 1310411201.

It is not a de Polignac number, because 1021140131 - 2¹⁸ = 1020877987 is a prime.

It is a super-2 number, since 2×1021140131² = 2085454334277394322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021140151) 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, 101720 + ... + 111306.

It is an arithmetic number, because the mean of its divisors is an integer number (72830448).

Almost surely, 2^1021140131 is an apocalyptic number.

1021140131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1021140131 is a deficient number, since it is larger than the sum of its proper divisors (144147037).

1021140131 is a wasteful number, since it uses less digits than its factorization.

1021140131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1021140131 is about 31955.2833033913. The cubic root of 1021140131 is about 1006.9976293003.

Adding to 1021140131 its reverse (1310411201), we get a palindrome (2331551332).

The spelling of 1021140131 in words is "one billion, twenty-one million, one hundred forty thousand, one hundred thirty-one".