31422134 has 4 divisors (see below), whose sum is σ = 47133204. Its totient is φ = 15711066.

The previous prime is 31422101. The next prime is 31422151. The reversal of 31422134 is 43122413.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×31422134² = 1974701010227912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7855532 + ... + 7855535.

It is an arithmetic number, because the mean of its divisors is an integer number (11783301).

Almost surely, 2^31422134 is an apocalyptic number.

31422134 is a deficient number, since it is larger than the sum of its proper divisors (15711070).

31422134 is a wasteful number, since it uses less digits than its factorization.

31422134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15711069.

The product of its digits is 576, while the sum is 20.

The square root of 31422134 is about 5605.5449333673. The cubic root of 31422134 is about 315.5575378346.

Adding to 31422134 its reverse (43122413), we get a palindrome (74544547).

The spelling of 31422134 in words is "thirty-one million, four hundred twenty-two thousand, one hundred thirty-four".