1200234031 has 2 divisors, whose sum is σ = 1200234032. Its totient is φ = 1200234030.

The previous prime is 1200234029. The next prime is 1200234053. The reversal of 1200234031 is 1304320021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200234031 - 2¹ = 1200234029 is a prime.

It is a super-3 number, since 3×1200234031³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1200234029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1200233996 and 1200234014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200232031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600117015 + 600117016.

It is an arithmetic number, because the mean of its divisors is an integer number (600117016).

Almost surely, 2^1200234031 is an apocalyptic number.

1200234031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200234031 is an equidigital number, since it uses as much as digits as its factorization.

1200234031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1200234031 is about 34644.3939332181. The cubic root of 1200234031 is about 1062.7276466498.

Adding to 1200234031 its reverse (1304320021), we get a palindrome (2504554052).

The spelling of 1200234031 in words is "one billion, two hundred million, two hundred thirty-four thousand, thirty-one".