3120135431 has 8 divisors (see below), whose sum is σ = 3600489984. Its totient is φ = 2648436120.

The previous prime is 3120135401. The next prime is 3120135439. The reversal of 3120135431 is 1345310213.

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 3120135431 - 2⁶ = 3120135367 is a prime.

It is a super-2 number, since 2×3120135431² = 19470490215563111522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3120135397 and 3120135406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120135439) 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, 2163035 + ... + 2164476.

It is an arithmetic number, because the mean of its divisors is an integer number (450061248).

Almost surely, 2^3120135431 is an apocalyptic number.

3120135431 is a deficient number, since it is larger than the sum of its proper divisors (480354553).

3120135431 is a wasteful number, since it uses less digits than its factorization.

3120135431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327621.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3120135431 is about 55858.1724638392. The cubic root of 3120135431 is about 1461.2498572060.

Adding to 3120135431 its reverse (1345310213), we get a palindrome (4465445644).

The spelling of 3120135431 in words is "three billion, one hundred twenty million, one hundred thirty-five thousand, four hundred thirty-one".