515102234133131 has 2 divisors, whose sum is σ = 515102234133132. Its totient is φ = 515102234133130.

The previous prime is 515102234133001. The next prime is 515102234133143. The reversal of 515102234133131 is 131331432201515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 515102234133131 - 2²⁶ = 515102167024267 is a prime.

It is a super-2 number, since 2×515102234133131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 515102234133091 and 515102234133100.

It is not a weakly prime, because it can be changed into another prime (515102234138131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257551117066565 + 257551117066566.

It is an arithmetic number, because the mean of its divisors is an integer number (257551117066566).

Almost surely, 2^{515102234133131} is an apocalyptic number.

515102234133131 is a deficient number, since it is larger than the sum of its proper divisors (1).

515102234133131 is an equidigital number, since it uses as much as digits as its factorization.

515102234133131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 515102234133131 its reverse (131331432201515), we get a palindrome (646433666334646).

The spelling of 515102234133131 in words is "five hundred fifteen trillion, one hundred two billion, two hundred thirty-four million, one hundred thirty-three thousand, one hundred thirty-one".