205014151031 has 4 divisors (see below), whose sum is σ = 217073806992. Its totient is φ = 192954495072.

The previous prime is 205014150973. The next prime is 205014151061. The reversal of 205014151031 is 130151410502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130151410502 = 2 ⋅65075705251.

It is not a de Polignac number, because 205014151031 - 2¹⁰ = 205014150007 is a prime.

It is a super-2 number, since 2×205014151031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205014150988 and 205014151006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205014151061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6029827955 + ... + 6029827988.

It is an arithmetic number, because the mean of its divisors is an integer number (54268451748).

Almost surely, 2^205014151031 is an apocalyptic number.

205014151031 is a deficient number, since it is larger than the sum of its proper divisors (12059655961).

205014151031 is a wasteful number, since it uses less digits than its factorization.

205014151031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059655960.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 205014151031 its reverse (130151410502), we get a palindrome (335165561533).

The spelling of 205014151031 in words is "two hundred five billion, fourteen million, one hundred fifty-one thousand, thirty-one".