1271314431 has 6 divisors (see below), whose sum is σ = 1836343080. Its totient is φ = 847542948.

The previous prime is 1271314423. The next prime is 1271314507. The reversal of 1271314431 is 1344131721.

It is not a de Polignac number, because 1271314431 - 2³ = 1271314423 is a prime.

It is a super-2 number, since 2×1271314431² = 3232480764937707522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1271314395 and 1271314404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271314631) 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, 70628571 + ... + 70628588.

It is an arithmetic number, because the mean of its divisors is an integer number (306057180).

Almost surely, 2^1271314431 is an apocalyptic number.

1271314431 is a deficient number, since it is larger than the sum of its proper divisors (565028649).

1271314431 is a wasteful number, since it uses less digits than its factorization.

1271314431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141257165 (or 141257162 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1271314431 is about 35655.4965047466. The cubic root of 1271314431 is about 1083.3056101992.

The spelling of 1271314431 in words is "one billion, two hundred seventy-one million, three hundred fourteen thousand, four hundred thirty-one".