31422000422 has 16 divisors (see below), whose sum is σ = 49908832992. Its totient is φ = 14785845120.

The previous prime is 31422000409. The next prime is 31422000517. The reversal of 31422000422 is 22400022413.

It is a super-2 number, since 2×31422000422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31422000394 and 31422000403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909647 + ... + 943557.

It is an arithmetic number, because the mean of its divisors is an integer number (3119302062).

Almost surely, 2^31422000422 is an apocalyptic number.

31422000422 is a deficient number, since it is larger than the sum of its proper divisors (18486832570).

31422000422 is a wasteful number, since it uses less digits than its factorization.

31422000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61183.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 31422000422 its reverse (22400022413), we get a palindrome (53822022835).

The spelling of 31422000422 in words is "thirty-one billion, four hundred twenty-two million, four hundred twenty-two", and thus it is an aban number.