381410318431 has 4 divisors (see below), whose sum is σ = 387662946664. Its totient is φ = 375157690200.

The previous prime is 381410318423. The next prime is 381410318461. The reversal of 381410318431 is 134813014183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381410318431 - 2³ = 381410318423 is a prime.

It is a super-2 number, since 2×381410318431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381410318461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3126314025 + ... + 3126314146.

It is an arithmetic number, because the mean of its divisors is an integer number (96915736666).

Almost surely, 2^381410318431 is an apocalyptic number.

381410318431 is a deficient number, since it is larger than the sum of its proper divisors (6252628233).

381410318431 is an equidigital number, since it uses as much as digits as its factorization.

381410318431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252628232.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 381410318431 in words is "three hundred eighty-one billion, four hundred ten million, three hundred eighteen thousand, four hundred thirty-one".