1316206131451 has 2 divisors, whose sum is σ = 1316206131452. Its totient is φ = 1316206131450.

The previous prime is 1316206131439. The next prime is 1316206131469. The reversal of 1316206131451 is 1541316026131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316206131451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316206131551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658103065725 + 658103065726.

It is an arithmetic number, because the mean of its divisors is an integer number (658103065726).

Almost surely, 2^{1316206131451} is an apocalyptic number.

1316206131451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316206131451 is an equidigital number, since it uses as much as digits as its factorization.

1316206131451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 1316206131451 in words is "one trillion, three hundred sixteen billion, two hundred six million, one hundred thirty-one thousand, four hundred fifty-one".