38735340631 has 6 divisors (see below), whose sum is σ = 41944185600. Its totient is φ = 35755698888.

The previous prime is 38735340587. The next prime is 38735340649. The reversal of 38735340631 is 13604353783.

It is not a de Polignac number, because 38735340631 - 2¹¹ = 38735338583 is a prime.

It is a super-2 number, since 2×38735340631² (a number of 22 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 (38735340331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114601431 + ... + 114601768.

It is an arithmetic number, because the mean of its divisors is an integer number (6990697600).

Almost surely, 2^38735340631 is an apocalyptic number.

38735340631 is a deficient number, since it is larger than the sum of its proper divisors (3208844969).

38735340631 is a wasteful number, since it uses less digits than its factorization.

38735340631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229203225 (or 229203212 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 38735340631 in words is "thirty-eight billion, seven hundred thirty-five million, three hundred forty thousand, six hundred thirty-one".