3138353131 has 8 divisors (see below), whose sum is σ = 3181545920. Its totient is φ = 3095247168.

The previous prime is 3138353129. The next prime is 3138353143. The reversal of 3138353131 is 1313538313.

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 3138353131 - 2¹ = 3138353129 is a prime.

It is a super-2 number, since 2×3138353131² = 19698520749715006322, 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 = 3138353093 and 3138353102.

It is not an unprimeable number, because it can be changed into a prime (3138353111) 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, 52825 + ... + 95221.

It is an arithmetic number, because the mean of its divisors is an integer number (397693240).

Almost surely, 2^3138353131 is an apocalyptic number.

3138353131 is a deficient number, since it is larger than the sum of its proper divisors (43192789).

3138353131 is an equidigital number, since it uses as much as digits as its factorization.

3138353131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43413.

The product of its digits is 9720, while the sum is 31.

The square root of 3138353131 is about 56021.0061584045. The cubic root of 3138353131 is about 1464.0882990118.

The spelling of 3138353131 in words is "three billion, one hundred thirty-eight million, three hundred fifty-three thousand, one hundred thirty-one".