31425230441 has 32 divisors (see below), whose sum is σ = 36991918080. Its totient is φ = 26397993600.

The previous prime is 31425230399. The next prime is 31425230449. The reversal of 31425230441 is 14403252413.

It is not a de Polignac number, because 31425230441 - 2¹⁴ = 31425214057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31425230449) 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 in 31 ways as a sum of consecutive naturals, for example, 4851581 + ... + 4858053.

It is an arithmetic number, because the mean of its divisors is an integer number (1155997440).

Almost surely, 2^31425230441 is an apocalyptic number.

31425230441 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31425230441 is a deficient number, since it is larger than the sum of its proper divisors (5566687639).

31425230441 is a wasteful number, since it uses less digits than its factorization.

31425230441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 31425230441 its reverse (14403252413), we get a palindrome (45828482854).

The spelling of 31425230441 in words is "thirty-one billion, four hundred twenty-five million, two hundred thirty thousand, four hundred forty-one".