38011385431 has 8 divisors (see below), whose sum is σ = 38539708064. Its totient is φ = 37486126080.

The previous prime is 38011385429. The next prime is 38011385449. The reversal of 38011385431 is 13458311083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38011385431 - 2¹ = 38011385429 is a prime.

It is a super-2 number, since 2×38011385431² (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 (38011385471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740826 + ... + 790471.

It is an arithmetic number, because the mean of its divisors is an integer number (4817463508).

Almost surely, 2^38011385431 is an apocalyptic number.

38011385431 is a deficient number, since it is larger than the sum of its proper divisors (528322633).

38011385431 is a wasteful number, since it uses less digits than its factorization.

38011385431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531641.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 38011385431 in words is "thirty-eight billion, eleven million, three hundred eighty-five thousand, four hundred thirty-one".