265204142061031 has 16 divisors (see below), whose sum is σ = 272472363947520. Its totient is φ = 257941226178720.

The previous prime is 265204142060983. The next prime is 265204142061073. The reversal of 265204142061031 is 130160241402562.

It is a cyclic number.

It is not a de Polignac number, because 265204142061031 - 2⁷ = 265204142060903 is a prime.

It is a super-2 number, since 2×265204142061031² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265204142061431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437429870 + ... + 1437614356.

It is an arithmetic number, because the mean of its divisors is an integer number (17029522746720).

Almost surely, 2^{265204142061031} is an apocalyptic number.

265204142061031 is a deficient number, since it is larger than the sum of its proper divisors (7268221886489).

265204142061031 is a wasteful number, since it uses less digits than its factorization.

265204142061031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198654.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 265204142061031 its reverse (130160241402562), we get a palindrome (395364383463593).

The spelling of 265204142061031 in words is "two hundred sixty-five trillion, two hundred four billion, one hundred forty-two million, sixty-one thousand, thirty-one".