1030431002320 has 40 divisors (see below), whose sum is σ = 2397361324680. Its totient is φ = 411895541760.

The previous prime is 1030431002291. The next prime is 1030431002347. The reversal of 1030431002320 is 232001340301.

It can be written as a sum of positive squares in 4 ways, for example, as 36868608144 + 993562394176 = 192012^2 + 996776^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206061 + ... + 4444300.

It is an arithmetic number, because the mean of its divisors is an integer number (59934033117).

Almost surely, 2^{1030431002320} is an apocalyptic number.

1030431002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030431002320 is an abundant number, since it is smaller than the sum of its proper divisors (1366930322360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030431002320 is a wasteful number, since it uses less digits than its factorization.

1030431002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651863 (or 8651857 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1030431002320 its reverse (232001340301), we get a palindrome (1262432342621).

The spelling of 1030431002320 in words is "one trillion, thirty billion, four hundred thirty-one million, two thousand, three hundred twenty".