1351747731331 has 2 divisors, whose sum is σ = 1351747731332. Its totient is φ = 1351747731330.

The previous prime is 1351747731317. The next prime is 1351747731371. The reversal of 1351747731331 is 1331377471531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1351747731331 - 2¹⁹ = 1351747207043 is a prime.

It is a super-2 number, since 2×1351747731331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1351747731371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675873865665 + 675873865666.

It is an arithmetic number, because the mean of its divisors is an integer number (675873865666).

Almost surely, 2^{1351747731331} is an apocalyptic number.

1351747731331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351747731331 is an equidigital number, since it uses as much as digits as its factorization.

1351747731331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 555660, while the sum is 46.

The spelling of 1351747731331 in words is "one trillion, three hundred fifty-one billion, seven hundred forty-seven million, seven hundred thirty-one thousand, three hundred thirty-one".