1038871431 has 12 divisors (see below), whose sum is σ = 1616022408. Its totient is φ = 639305424.

The previous prime is 1038871399. The next prime is 1038871439. The reversal of 1038871431 is 1341788301.

It is not a de Polignac number, because 1038871431 - 2⁵ = 1038871399 is a prime.

It is a super-2 number, since 2×1038871431² = 2158507700295975522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038871439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4439505 + ... + 4439738.

It is an arithmetic number, because the mean of its divisors is an integer number (134668534).

Almost surely, 2^1038871431 is an apocalyptic number.

1038871431 is a deficient number, since it is larger than the sum of its proper divisors (577150977).

1038871431 is a wasteful number, since it uses less digits than its factorization.

1038871431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8879262 (or 8879259 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1038871431 is about 32231.5285241020. The cubic root of 1038871431 is about 1012.7927903126.

The spelling of 1038871431 in words is "one billion, thirty-eight million, eight hundred seventy-one thousand, four hundred thirty-one".