1316231455 has 16 divisors (see below), whose sum is σ = 1969219584. Its totient is φ = 820507680.

The previous prime is 1316231447. The next prime is 1316231461. The reversal of 1316231455 is 5541326131.

It is not a de Polignac number, because 1316231455 - 2³ = 1316231447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709007 + ... + 1709776.

It is an arithmetic number, because the mean of its divisors is an integer number (123076224).

Almost surely, 2^1316231455 is an apocalyptic number.

1316231455 is a deficient number, since it is larger than the sum of its proper divisors (652988129).

1316231455 is a wasteful number, since it uses less digits than its factorization.

1316231455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418806.

The product of its digits is 10800, while the sum is 31.

The square root of 1316231455 is about 36279.9042859818. The cubic root of 1316231455 is about 1095.9163891742.

Adding to 1316231455 its reverse (5541326131), we get a palindrome (6857557586).

The spelling of 1316231455 in words is "one billion, three hundred sixteen million, two hundred thirty-one thousand, four hundred fifty-five".