3231085397 has 2 divisors, whose sum is σ = 3231085398. Its totient is φ = 3231085396.

The previous prime is 3231085321. The next prime is 3231085409. The reversal of 3231085397 is 7935801323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2584603921 + 646481476 = 50839^2 + 25426^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231085397 - 2¹⁴ = 3231069013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231085097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615542698 + 1615542699.

It is an arithmetic number, because the mean of its divisors is an integer number (1615542699).

Almost surely, 2^3231085397 is an apocalyptic number.

It is an amenable number.

3231085397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231085397 is an equidigital number, since it uses as much as digits as its factorization.

3231085397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 3231085397 is about 56842.6371397387. The cubic root of 3231085397 is about 1478.3688806453.

The spelling of 3231085397 in words is "three billion, two hundred thirty-one million, eighty-five thousand, three hundred ninety-seven".