1011200431 has 2 divisors, whose sum is σ = 1011200432. Its totient is φ = 1011200430.

The previous prime is 1011200429. The next prime is 1011200471. The reversal of 1011200431 is 1340021101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011200431 - 2¹ = 1011200429 is a prime.

It is a super-3 number, since 3×1011200431³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1011200429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011200471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600215 + 505600216.

It is an arithmetic number, because the mean of its divisors is an integer number (505600216).

Almost surely, 2^1011200431 is an apocalyptic number.

1011200431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011200431 is an equidigital number, since it uses as much as digits as its factorization.

1011200431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1011200431 is about 31799.3778398257. The cubic root of 1011200431 is about 1003.7196242411.

Adding to 1011200431 its reverse (1340021101), we get a palindrome (2351221532).

The spelling of 1011200431 in words is "one billion, eleven million, two hundred thousand, four hundred thirty-one".