1516140331 has 2 divisors, whose sum is σ = 1516140332. Its totient is φ = 1516140330.

The previous prime is 1516140317. The next prime is 1516140349. The reversal of 1516140331 is 1330416151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1516140331 - 2¹³ = 1516132139 is a prime.

It is a super-2 number, since 2×1516140331² = 4597363006569579122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1516140296 and 1516140305.

It is not a weakly prime, because it can be changed into another prime (1516140931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758070165 + 758070166.

It is an arithmetic number, because the mean of its divisors is an integer number (758070166).

Almost surely, 2^1516140331 is an apocalyptic number.

1516140331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516140331 is an equidigital number, since it uses as much as digits as its factorization.

1516140331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1516140331 is about 38937.6467059837. The cubic root of 1516140331 is about 1148.8053961650.

Adding to 1516140331 its reverse (1330416151), we get a palindrome (2846556482).

The spelling of 1516140331 in words is "one billion, five hundred sixteen million, one hundred forty thousand, three hundred thirty-one".