3124020031 has 4 divisors (see below), whose sum is σ = 3408021864. Its totient is φ = 2840018200.

The previous prime is 3124020019. The next prime is 3124020059. The reversal of 3124020031 is 1300204213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3124020031 - 2¹⁷ = 3123888959 is a prime.

It is a super-2 number, since 2×3124020031² = 19519002308178481922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3124019987 and 3124020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124020131) 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, 142000900 + ... + 142000921.

It is an arithmetic number, because the mean of its divisors is an integer number (852005466).

Almost surely, 2^3124020031 is an apocalyptic number.

3124020031 is a deficient number, since it is larger than the sum of its proper divisors (284001833).

3124020031 is a wasteful number, since it uses less digits than its factorization.

3124020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284001832.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3124020031 is about 55892.9336410248. The cubic root of 3124020031 is about 1461.8560293029.

Adding to 3124020031 its reverse (1300204213), we get a palindrome (4424224244).

The spelling of 3124020031 in words is "three billion, one hundred twenty-four million, twenty thousand, thirty-one".