31446961 has 8 divisors (see below), whose sum is σ = 38704064. Its totient is φ = 24881040.

The previous prime is 31446953. The next prime is 31446973. The reversal of 31446961 is 16964413.

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

It is a cyclic number.

It is not a de Polignac number, because 31446961 - 2³ = 31446953 is a prime.

It is a super-2 number, since 2×31446961² = 1977822712271042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31446061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172695 + ... + 172876.

It is an arithmetic number, because the mean of its divisors is an integer number (4838008).

Almost surely, 2^31446961 is an apocalyptic number.

It is an amenable number.

31446961 is a deficient number, since it is larger than the sum of its proper divisors (7257103).

31446961 is a wasteful number, since it uses less digits than its factorization.

31446961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345591.

The product of its digits is 15552, while the sum is 34.

The square root of 31446961 is about 5607.7589998145. The cubic root of 31446961 is about 315.6406245378.

The spelling of 31446961 in words is "thirty-one million, four hundred forty-six thousand, nine hundred sixty-one".