481840831 has 2 divisors, whose sum is σ = 481840832. Its totient is φ = 481840830.

The previous prime is 481840763. The next prime is 481840841. The reversal of 481840831 is 138048184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481840831 - 2¹³ = 481832639 is a prime.

It is a super-3 number, since 3×481840831³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481840841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240920415 + 240920416.

It is an arithmetic number, because the mean of its divisors is an integer number (240920416).

Almost surely, 2^481840831 is an apocalyptic number.

481840831 is a deficient number, since it is larger than the sum of its proper divisors (1).

481840831 is an equidigital number, since it uses as much as digits as its factorization.

481840831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 481840831 is about 21950.8731261424. The cubic root of 481840831 is about 783.9731694405.

The spelling of 481840831 in words is "four hundred eighty-one million, eight hundred forty thousand, eight hundred thirty-one".