10211231131 has 2 divisors, whose sum is σ = 10211231132. Its totient is φ = 10211231130.

The previous prime is 10211231117. The next prime is 10211231137. The reversal of 10211231131 is 13113211201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10211231131 - 2⁷ = 10211231003 is a prime.

It is a super-2 number, since 2×10211231131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10211231137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105615565 + 5105615566.

It is an arithmetic number, because the mean of its divisors is an integer number (5105615566).

Almost surely, 2^10211231131 is an apocalyptic number.

10211231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211231131 is an equidigital number, since it uses as much as digits as its factorization.

10211231131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10211231131 its reverse (13113211201), we get a palindrome (23324442332).

The spelling of 10211231131 in words is "ten billion, two hundred eleven million, two hundred thirty-one thousand, one hundred thirty-one".