1431316887 has 192 divisors, whose sum is σ = 2889686016. Its totient is φ = 606228480.

The previous prime is 1431316867. The next prime is 1431316907. The reversal of 1431316887 is 7886131341.

It is an interprime number because it is at equal distance from previous prime (1431316867) and next prime (1431316907).

It is not a de Polignac number, because 1431316887 - 2¹² = 1431312791 is a prime.

It is a super-2 number, since 2×1431316887² = 4097336062022741538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431316867) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27005953 + ... + 27006005.

It is an arithmetic number, because the mean of its divisors is an integer number (15050448).

Almost surely, 2^1431316887 is an apocalyptic number.

1431316887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1431316887 is an abundant number, since it is smaller than the sum of its proper divisors (1458369129).

1431316887 is a wasteful number, since it uses less digits than its factorization.

1431316887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 127 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 1431316887 is about 37832.7488692006. The cubic root of 1431316887 is about 1126.9689009883.

The spelling of 1431316887 in words is "one billion, four hundred thirty-one million, three hundred sixteen thousand, eight hundred eighty-seven".