155335214131 has 2 divisors, whose sum is σ = 155335214132. Its totient is φ = 155335214130.

The previous prime is 155335214113. The next prime is 155335214171. The reversal of 155335214131 is 131412533551.

Together with previous prime (155335214113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155335214131 - 2³⁷ = 17896260659 is a prime.

It is a super-2 number, since 2×155335214131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155335214171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77667607065 + 77667607066.

It is an arithmetic number, because the mean of its divisors is an integer number (77667607066).

Almost surely, 2^155335214131 is an apocalyptic number.

155335214131 is a deficient number, since it is larger than the sum of its proper divisors (1).

155335214131 is an equidigital number, since it uses as much as digits as its factorization.

155335214131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 34.

Adding to 155335214131 its reverse (131412533551), we get a palindrome (286747747682).

The spelling of 155335214131 in words is "one hundred fifty-five billion, three hundred thirty-five million, two hundred fourteen thousand, one hundred thirty-one".