1021230530131 has 16 divisors (see below), whose sum is σ = 1217940162048. Its totient is φ = 837230486400.

The previous prime is 1021230530119. The next prime is 1021230530147. The reversal of 1021230530131 is 1310350321201.

It is not a de Polignac number, because 1021230530131 - 2⁹ = 1021230529619 is a prime.

It is a super-2 number, since 2×1021230530131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021230530101) 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, 2538571 + ... + 2913211.

It is an arithmetic number, because the mean of its divisors is an integer number (76121260128).

Almost surely, 2^{1021230530131} is an apocalyptic number.

1021230530131 is a deficient number, since it is larger than the sum of its proper divisors (196709631917).

1021230530131 is a wasteful number, since it uses less digits than its factorization.

1021230530131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391602.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 1021230530131 its reverse (1310350321201), we get a palindrome (2331580851332).

The spelling of 1021230530131 in words is "one trillion, twenty-one billion, two hundred thirty million, five hundred thirty thousand, one hundred thirty-one".