31200013110403 has 2 divisors, whose sum is σ = 31200013110404. Its totient is φ = 31200013110402.

The previous prime is 31200013110347. The next prime is 31200013110463. The reversal of 31200013110403 is 30401131000213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31200013110403 is a prime.

It is not a weakly prime, because it can be changed into another prime (31200013110463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600006555201 + 15600006555202.

It is an arithmetic number, because the mean of its divisors is an integer number (15600006555202).

Almost surely, 2^{31200013110403} is an apocalyptic number.

31200013110403 is a deficient number, since it is larger than the sum of its proper divisors (1).

31200013110403 is an equidigital number, since it uses as much as digits as its factorization.

31200013110403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31200013110403 its reverse (30401131000213), we get a palindrome (61601144110616).

The spelling of 31200013110403 in words is "thirty-one trillion, two hundred billion, thirteen million, one hundred ten thousand, four hundred three".