31464142 has 8 divisors (see below), whose sum is σ = 47403000. Its totient is φ = 15663144.

The previous prime is 31464137. The next prime is 31464143. The reversal of 31464142 is 24146413.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33892 + ... + 34807.

It is an arithmetic number, because the mean of its divisors is an integer number (5925375).

Almost surely, 2^31464142 is an apocalyptic number.

31464142 is a deficient number, since it is larger than the sum of its proper divisors (15938858).

31464142 is a wasteful number, since it uses less digits than its factorization.

31464142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68930.

The product of its digits is 2304, while the sum is 25.

The square root of 31464142 is about 5609.2906859959. The cubic root of 31464142 is about 315.6980973330.

The spelling of 31464142 in words is "thirty-one million, four hundred sixty-four thousand, one hundred forty-two".