31425950089 has 16 divisors (see below), whose sum is σ = 32082204672. Its totient is φ = 30778449408.

The previous prime is 31425950069. The next prime is 31425950113. The reversal of 31425950089 is 98005952413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31425950089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31425950069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447712 + ... + 3456814.

It is an arithmetic number, because the mean of its divisors is an integer number (2005137792).

Almost surely, 2^31425950089 is an apocalyptic number.

It is an amenable number.

31425950089 is a deficient number, since it is larger than the sum of its proper divisors (656254583).

31425950089 is a wasteful number, since it uses less digits than its factorization.

31425950089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 31425950089 in words is "thirty-one billion, four hundred twenty-five million, nine hundred fifty thousand, eighty-nine".