1030131021099 has 4 divisors (see below), whose sum is σ = 1373508028136. Its totient is φ = 686754014064.

The previous prime is 1030131021067. The next prime is 1030131021103. The reversal of 1030131021099 is 9901201310301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1030131021099 - 2⁵ = 1030131021067 is a prime.

It is a super-2 number, since 2×1030131021099² (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 (1030131011099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171688503514 + ... + 171688503519.

It is an arithmetic number, because the mean of its divisors is an integer number (343377007034).

Almost surely, 2^{1030131021099} is an apocalyptic number.

1030131021099 is a deficient number, since it is larger than the sum of its proper divisors (343377007037).

1030131021099 is an equidigital number, since it uses as much as digits as its factorization.

1030131021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343377007036.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 1030131021099 in words is "one trillion, thirty billion, one hundred thirty-one million, twenty-one thousand, ninety-nine".