31332231103 has 2 divisors, whose sum is σ = 31332231104. Its totient is φ = 31332231102.

The previous prime is 31332231097. The next prime is 31332231121. The reversal of 31332231103 is 30113223313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31332231103 - 2⁵ = 31332231071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31332231193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15666115551 + 15666115552.

It is an arithmetic number, because the mean of its divisors is an integer number (15666115552).

Almost surely, 2^31332231103 is an apocalyptic number.

31332231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31332231103 is an equidigital number, since it uses as much as digits as its factorization.

31332231103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31332231103 its reverse (30113223313), we get a palindrome (61445454416).

The spelling of 31332231103 in words is "thirty-one billion, three hundred thirty-two million, two hundred thirty-one thousand, one hundred three".