263434105031 has 2 divisors, whose sum is σ = 263434105032. Its totient is φ = 263434105030.

The previous prime is 263434105027. The next prime is 263434105061. The reversal of 263434105031 is 130501434362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263434105031 - 2² = 263434105027 is a prime.

It is a super-2 number, since 2×263434105031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263434105061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131717052515 + 131717052516.

It is an arithmetic number, because the mean of its divisors is an integer number (131717052516).

Almost surely, 2^263434105031 is an apocalyptic number.

263434105031 is a deficient number, since it is larger than the sum of its proper divisors (1).

263434105031 is an equidigital number, since it uses as much as digits as its factorization.

263434105031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 263434105031 its reverse (130501434362), we get a palindrome (393935539393).

The spelling of 263434105031 in words is "two hundred sixty-three billion, four hundred thirty-four million, one hundred five thousand, thirty-one".