31422738090 has 64 divisors (see below), whose sum is σ = 75694227840. Its totient is φ = 8348390400.

The previous prime is 31422738089. The next prime is 31422738101. The reversal of 31422738090 is 9083722413.

It is an unprimeable number.

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, 10582126 + ... + 10585094.

It is an arithmetic number, because the mean of its divisors is an integer number (1182722310).

Almost surely, 2^31422738090 is an apocalyptic number.

31422738090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31422738090 is an abundant number, since it is smaller than the sum of its proper divisors (44271489750).

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

31422738090 is a wasteful number, since it uses less digits than its factorization.

31422738090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 31422738090 in words is "thirty-one billion, four hundred twenty-two million, seven hundred thirty-eight thousand, ninety".