1021131035 has 16 divisors (see below), whose sum is σ = 1298535840. Its totient is φ = 769493760.

The previous prime is 1021131029. The next prime is 1021131037. The reversal of 1021131035 is 5301311201.

It is not a de Polignac number, because 1021131035 - 2⁸ = 1021130779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021131037) 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, 79937 + ... + 91826.

It is an arithmetic number, because the mean of its divisors is an integer number (81158490).

Almost surely, 2^1021131035 is an apocalyptic number.

1021131035 is a deficient number, since it is larger than the sum of its proper divisors (277404805).

1021131035 is a wasteful number, since it uses less digits than its factorization.

1021131035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171838.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1021131035 is about 31955.1409791914. The cubic root of 1021131035 is about 1006.9946392838.

Adding to 1021131035 its reverse (5301311201), we get a palindrome (6322442236).

The spelling of 1021131035 in words is "one billion, twenty-one million, one hundred thirty-one thousand, thirty-five".