3131234101 has 2 divisors, whose sum is σ = 3131234102. Its totient is φ = 3131234100.

The previous prime is 3131234089. The next prime is 3131234153. The reversal of 3131234101 is 1014321313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2986513201 + 144720900 = 54649^2 + 12030^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131234101 - 2⁵ = 3131234069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131235101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565617050 + 1565617051.

It is an arithmetic number, because the mean of its divisors is an integer number (1565617051).

Almost surely, 2^3131234101 is an apocalyptic number.

It is an amenable number.

3131234101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131234101 is an equidigital number, since it uses as much as digits as its factorization.

3131234101 is an evil number, because the sum of its binary digits is even.

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

The square root of 3131234101 is about 55957.4311508311. The cubic root of 3131234101 is about 1462.9804165102.

Adding to 3131234101 its reverse (1014321313), we get a palindrome (4145555414).

The spelling of 3131234101 in words is "three billion, one hundred thirty-one million, two hundred thirty-four thousand, one hundred one".