2731446005631 has 16 divisors (see below), whose sum is σ = 4230436282368. Its totient is φ = 1535238972000.

The previous prime is 2731446005621. The next prime is 2731446005657. The reversal of 2731446005631 is 1365006441372.

It is not a de Polignac number, because 2731446005631 - 2¹⁸ = 2731445743487 is a prime.

It is a super-2 number, since 2×2731446005631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731446005621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066136895 + ... + 1066139456.

It is an arithmetic number, because the mean of its divisors is an integer number (264402267648).

Almost surely, 2^{2731446005631} is an apocalyptic number.

2731446005631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2731446005631 is a deficient number, since it is larger than the sum of its proper divisors (1498990276737).

2731446005631 is a wasteful number, since it uses less digits than its factorization.

2731446005631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132276422.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 2731446005631 in words is "two trillion, seven hundred thirty-one billion, four hundred forty-six million, five thousand, six hundred thirty-one".