1316061451431 has 48 divisors (see below), whose sum is σ = 1973031540480. Its totient is φ = 844744256640.

The previous prime is 1316061451427. The next prime is 1316061451433. The reversal of 1316061451431 is 1341541606131.

1316061451431 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 0 + 614 + 5 + 1 + 4 + 31 = 666.

It is not a de Polignac number, because 1316061451431 - 2² = 1316061451427 is a prime.

It is a super-2 number, since 2×1316061451431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316061451433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10320660 + ... + 10447398.

It is an arithmetic number, because the mean of its divisors is an integer number (41104823760).

Almost surely, 2^{1316061451431} is an apocalyptic number.

1316061451431 is a deficient number, since it is larger than the sum of its proper divisors (656970089049).

1316061451431 is a wasteful number, since it uses less digits than its factorization.

1316061451431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127156 (or 127153 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1316061451431 in words is "one trillion, three hundred sixteen billion, sixty-one million, four hundred fifty-one thousand, four hundred thirty-one".