31470342 has 16 divisors (see below), whose sum is σ = 63029232. Its totient is φ = 10475360.

The previous prime is 31470337. The next prime is 31470353. The reversal of 31470342 is 24307413.

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, 1492 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (3939327).

Almost surely, 2^31470342 is an apocalyptic number.

31470342 is an abundant number, since it is smaller than the sum of its proper divisors (31558890).

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

31470342 is a wasteful number, since it uses less digits than its factorization.

31470342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 31470342 is about 5609.8433133199. The cubic root of 31470342 is about 315.7188320438.

Adding to 31470342 its reverse (24307413), we get a palindrome (55777755).

The spelling of 31470342 in words is "thirty-one million, four hundred seventy thousand, three hundred forty-two".