31430134 has 8 divisors (see below), whose sum is σ = 47631528. Its totient is φ = 15552960.

The previous prime is 31430117. The next prime is 31430143. The reversal of 31430134 is 43103413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80812 + ... + 81199.

It is an arithmetic number, because the mean of its divisors is an integer number (5953941).

Almost surely, 2^31430134 is an apocalyptic number.

31430134 is a deficient number, since it is larger than the sum of its proper divisors (16201394).

31430134 is a wasteful number, since it uses less digits than its factorization.

31430134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162110.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 31430134 is about 5606.2584671062. The cubic root of 31430134 is about 315.5843156265.

Adding to 31430134 its reverse (43103413), we get a palindrome (74533547).

The spelling of 31430134 in words is "thirty-one million, four hundred thirty thousand, one hundred thirty-four".