31425300233 has 2 divisors, whose sum is σ = 31425300234. Its totient is φ = 31425300232.

The previous prime is 31425300197. The next prime is 31425300251. The reversal of 31425300233 is 33200352413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30174121849 + 1251178384 = 173707^2 + 35372^2 .

It is a cyclic number.

It is not a de Polignac number, because 31425300233 - 2¹² = 31425296137 is a prime.

It is not a weakly prime, because it can be changed into another prime (31425300433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712650116 + 15712650117.

It is an arithmetic number, because the mean of its divisors is an integer number (15712650117).

Almost surely, 2^31425300233 is an apocalyptic number.

It is an amenable number.

31425300233 is a deficient number, since it is larger than the sum of its proper divisors (1).

31425300233 is an equidigital number, since it uses as much as digits as its factorization.

31425300233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 31425300233 its reverse (33200352413), we get a palindrome (64625652646).

The spelling of 31425300233 in words is "thirty-one billion, four hundred twenty-five million, three hundred thousand, two hundred thirty-three".