31403350422 has 24 divisors (see below), whose sum is σ = 68045044080. Its totient is φ = 10467098640.

The previous prime is 31403350421. The next prime is 31403350439. The reversal of 31403350422 is 22405330413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31403350421) 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 11 ways as a sum of consecutive naturals, for example, 279279 + ... + 375237.

It is an arithmetic number, because the mean of its divisors is an integer number (2835210170).

Almost surely, 2^31403350422 is an apocalyptic number.

31403350422 is an abundant number, since it is smaller than the sum of its proper divisors (36641693658).

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

31403350422 is a wasteful number, since it uses less digits than its factorization.

31403350422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114148 (or 114145 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 31403350422 its reverse (22405330413), we get a palindrome (53808680835).

The spelling of 31403350422 in words is "thirty-one billion, four hundred three million, three hundred fifty thousand, four hundred twenty-two".