1303430430420 has 72 divisors (see below), whose sum is σ = 4186311862824. Its totient is φ = 327135479808.

The previous prime is 1303430430389. The next prime is 1303430430439. The reversal of 1303430430420 is 240340343031.

1303430430420 is a `hidden beast` number, since 1 + 3 + 0 + 34 + 304 + 304 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 375587573904 + 927842856516 = 612852^2 + 963246^2 .

It is a super-2 number, since 2×1303430430420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212975769 + ... + 212981888.

It is an arithmetic number, because the mean of its divisors is an integer number (58143220317).

Almost surely, 2^{1303430430420} is an apocalyptic number.

1303430430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303430430420 is an abundant number, since it is smaller than the sum of its proper divisors (2882881432404).

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

1303430430420 is a wasteful number, since it uses less digits than its factorization.

1303430430420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425957689 (or 425957684 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 1303430430420 its reverse (240340343031), we get a palindrome (1543770773451).

The spelling of 1303430430420 in words is "one trillion, three hundred three billion, four hundred thirty million, four hundred thirty thousand, four hundred twenty".