31422013042 has 32 divisors (see below), whose sum is σ = 55485166464. Its totient is φ = 13065494400.

The previous prime is 31422013031. The next prime is 31422013057. The reversal of 31422013042 is 24031022413.

It is a super-2 number, since 2×31422013042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47328 + ... + 255115.

It is an arithmetic number, because the mean of its divisors is an integer number (1733911452).

Almost surely, 2^31422013042 is an apocalyptic number.

31422013042 is a deficient number, since it is larger than the sum of its proper divisors (24063153422).

31422013042 is a wasteful number, since it uses less digits than its factorization.

31422013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302674.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31422013042 its reverse (24031022413), we get a palindrome (55453035455).

The spelling of 31422013042 in words is "thirty-one billion, four hundred twenty-two million, thirteen thousand, forty-two".