31425422350 has 72 divisors (see below), whose sum is σ = 68072473440. Its totient is φ = 10762053120.

The previous prime is 31425422339. The next prime is 31425422377. The reversal of 31425422350 is 5322452413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2269147 + ... + 2282953.

It is an arithmetic number, because the mean of its divisors is an integer number (945451020).

Almost surely, 2^31425422350 is an apocalyptic number.

31425422350 is an abundant number, since it is smaller than the sum of its proper divisors (36647051090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31425422350 is a wasteful number, since it uses less digits than its factorization.

31425422350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14762 (or 14750 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 31425422350 its reverse (5322452413), we get a palindrome (36747874763).

The spelling of 31425422350 in words is "thirty-one billion, four hundred twenty-five million, four hundred twenty-two thousand, three hundred fifty".