1200030403431 has 16 divisors (see below), whose sum is σ = 1673812274400. Its totient is φ = 763754331648.

The previous prime is 1200030403387. The next prime is 1200030403447. The reversal of 1200030403431 is 1343040300021.

It is not a de Polignac number, because 1200030403431 - 2⁷ = 1200030403303 is a prime.

It is a super-2 number, since 2×1200030403431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200030403398 and 1200030403407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200030203431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77483566 + ... + 77499051.

It is an arithmetic number, because the mean of its divisors is an integer number (104613267150).

Almost surely, 2^{1200030403431} is an apocalyptic number.

1200030403431 is a deficient number, since it is larger than the sum of its proper divisors (473781870969).

1200030403431 is a wasteful number, since it uses less digits than its factorization.

1200030403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154982738.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1200030403431 its reverse (1343040300021), we get a palindrome (2543070703452).

The spelling of 1200030403431 in words is "one trillion, two hundred billion, thirty million, four hundred three thousand, four hundred thirty-one".