20110310431 has 2 divisors, whose sum is σ = 20110310432. Its totient is φ = 20110310430.

The previous prime is 20110310417. The next prime is 20110310447. The reversal of 20110310431 is 13401301102.

It is an a-pointer prime, because the next prime (20110310447) can be obtained adding 20110310431 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110310431 - 2⁵ = 20110310399 is a prime.

It is a super-2 number, since 2×20110310431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110310461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055155215 + 10055155216.

It is an arithmetic number, because the mean of its divisors is an integer number (10055155216).

Almost surely, 2^20110310431 is an apocalyptic number.

20110310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110310431 is an equidigital number, since it uses as much as digits as its factorization.

20110310431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20110310431 its reverse (13401301102), we get a palindrome (33511611533).

The spelling of 20110310431 in words is "twenty billion, one hundred ten million, three hundred ten thousand, four hundred thirty-one".