3131461 has 4 divisors (see below), whose sum is σ = 3160300. Its totient is φ = 3102624.

The previous prime is 3131441. The next prime is 3131467. The reversal of 3131461 is 1641313.

3131461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1641313 = 29 ⋅56597.

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 1454436 = 1295^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131461 - 2⁹ = 3130949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14256 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (790075).

Almost surely, 2^3131461 is an apocalyptic number.

It is an amenable number.

3131461 is a deficient number, since it is larger than the sum of its proper divisors (28839).

3131461 is a wasteful number, since it uses less digits than its factorization.

3131461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28838.

The product of its digits is 216, while the sum is 19.

The square root of 3131461 is about 1769.5934561362. The cubic root of 3131461 is about 146.3015753033.

Adding to 3131461 its reverse (1641313), we get a palindrome (4772774).

It can be divided in two parts, 31314 and 61, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 3131461 in words is "three million, one hundred thirty-one thousand, four hundred sixty-one".