3131356741 has 2 divisors, whose sum is σ = 3131356742. Its totient is φ = 3131356740.

The previous prime is 3131356703. The next prime is 3131356777. The reversal of 3131356741 is 1476531313.

3131356741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2772443716 + 358913025 = 52654^2 + 18945^2 .

It is an emirp because it is prime and its reverse (1476531313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131356741 - 2¹⁵ = 3131323973 is a prime.

It is a super-2 number, since 2×3131356741² = 19610790078812282162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3131356697 and 3131356706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131356141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565678370 + 1565678371.

It is an arithmetic number, because the mean of its divisors is an integer number (1565678371).

Almost surely, 2^3131356741 is an apocalyptic number.

It is an amenable number.

3131356741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131356741 is an equidigital number, since it uses as much as digits as its factorization.

3131356741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 3131356741 is about 55958.5269731075. The cubic root of 3131356741 is about 1462.9995162826. Note that the first 3 decimals are identical.

The spelling of 3131356741 in words is "three billion, one hundred thirty-one million, three hundred fifty-six thousand, seven hundred forty-one".