3900170431 has 2 divisors, whose sum is σ = 3900170432. Its totient is φ = 3900170430.

The previous prime is 3900170429. The next prime is 3900170501. The reversal of 3900170431 is 1340710093.

It is a weak prime.

It is an emirp because it is prime and its reverse (1340710093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3900170431 - 2¹ = 3900170429 is a prime.

It is a super-2 number, since 2×3900170431² = 30422658781693451522, which contains 22 as substring.

Together with 3900170429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3900170431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3900170231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950085215 + 1950085216.

It is an arithmetic number, because the mean of its divisors is an integer number (1950085216).

Almost surely, 2^3900170431 is an apocalyptic number.

3900170431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900170431 is an equidigital number, since it uses as much as digits as its factorization.

3900170431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 3900170431 is about 62451.3445091457. The cubic root of 3900170431 is about 1574.0838452527.

The spelling of 3900170431 in words is "three billion, nine hundred million, one hundred seventy thousand, four hundred thirty-one".