3121031214 has 48 divisors (see below), whose sum is σ = 7994769120. Its totient is φ = 860973120.

The previous prime is 3121031213. The next prime is 3121031227. The reversal of 3121031214 is 4121301213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121031213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423417 + ... + 430724.

It is an arithmetic number, because the mean of its divisors is an integer number (166557690).

Almost surely, 2^3121031214 is an apocalyptic number.

3121031214 is an abundant number, since it is smaller than the sum of its proper divisors (4873737906).

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

3121031214 is a wasteful number, since it uses less digits than its factorization.

3121031214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854185 (or 854182 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3121031214 is about 55866.1902585097. The cubic root of 3121031214 is about 1461.3896842064.

Adding to 3121031214 its reverse (4121301213), we get a palindrome (7242332427).

The spelling of 3121031214 in words is "three billion, one hundred twenty-one million, thirty-one thousand, two hundred fourteen".