1030431342021 has 8 divisors (see below), whose sum is σ = 1373921803584. Its totient is φ = 686947554240.

The previous prime is 1030431342007. The next prime is 1030431342043. The reversal of 1030431342021 is 1202431340301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1030431342021 - 2⁶ = 1030431341957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030431341982 and 1030431342000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030431342071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296321 + ... + 1934246.

It is an arithmetic number, because the mean of its divisors is an integer number (171740225448).

Almost surely, 2^{1030431342021} is an apocalyptic number.

It is an amenable number.

1030431342021 is a deficient number, since it is larger than the sum of its proper divisors (343490461563).

1030431342021 is a wasteful number, since it uses less digits than its factorization.

1030431342021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336891.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1030431342021 its reverse (1202431340301), we get a palindrome (2232862682322).

The spelling of 1030431342021 in words is "one trillion, thirty billion, four hundred thirty-one million, three hundred forty-two thousand, twenty-one".