31422727450 has 48 divisors (see below), whose sum is σ = 60106108320. Its totient is φ = 12216576320.

The previous prime is 31422727361. The next prime is 31422727451. The reversal of 31422727450 is 5472722413.

It is not an unprimeable number, because it can be changed into a prime (31422727451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228141 + ... + 338959.

It is an arithmetic number, because the mean of its divisors is an integer number (1252210590).

Almost surely, 2^31422727450 is an apocalyptic number.

31422727450 is a deficient number, since it is larger than the sum of its proper divisors (28683380870).

31422727450 is a wasteful number, since it uses less digits than its factorization.

31422727450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110991 (or 110986 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 31422727450 in words is "thirty-one billion, four hundred twenty-two million, seven hundred twenty-seven thousand, four hundred fifty".