1030021131321 has 96 divisors (see below), whose sum is σ = 1939788684288. Its totient is φ = 511104522240.

The previous prime is 1030021131311. The next prime is 1030021131331. The reversal of 1030021131321 is 1231311200301.

1030021131321 is a `hidden beast` number, since 1 + 0 + 300 + 2 + 11 + 31 + 321 = 666.

It is an interprime number because it is at equal distance from previous prime (1030021131311) and next prime (1030021131331).

It is not a de Polignac number, because 1030021131321 - 2²³ = 1030012742713 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1030021131294 and 1030021131303.

It is not an unprimeable number, because it can be changed into a prime (1030021131311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31129216 + ... + 31162286.

It is an arithmetic number, because the mean of its divisors is an integer number (20206132128).

Almost surely, 2^{1030021131321} is an apocalyptic number.

It is an amenable number.

1030021131321 is a deficient number, since it is larger than the sum of its proper divisors (909767552967).

1030021131321 is a wasteful number, since it uses less digits than its factorization.

1030021131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35351 (or 35348 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1030021131321 its reverse (1231311200301), we get a palindrome (2261332331622).

The spelling of 1030021131321 in words is "one trillion, thirty billion, twenty-one million, one hundred thirty-one thousand, three hundred twenty-one".