31614121 has 16 divisors (see below), whose sum is σ = 41131008. Its totient is φ = 23562000.

The previous prime is 31614109. The next prime is 31614133. The reversal of 31614121 is 12141613.

It is an interprime number because it is at equal distance from previous prime (31614109) and next prime (31614133).

It is not a de Polignac number, because 31614121 - 2¹³ = 31605929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31614161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7155 + ... + 10696.

It is an arithmetic number, because the mean of its divisors is an integer number (2570688).

Almost surely, 2^31614121 is an apocalyptic number.

It is an amenable number.

31614121 is a deficient number, since it is larger than the sum of its proper divisors (9516887).

31614121 is a wasteful number, since it uses less digits than its factorization.

31614121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17892.

The product of its digits is 144, while the sum is 19.

The square root of 31614121 is about 5622.6435953206. The cubic root of 31614121 is about 316.1989113784.

Adding to 31614121 its reverse (12141613), we get a palindrome (43755734).

The spelling of 31614121 in words is "thirty-one million, six hundred fourteen thousand, one hundred twenty-one".