11131231351 has 2 divisors, whose sum is σ = 11131231352. Its totient is φ = 11131231350.

The previous prime is 11131231303. The next prime is 11131231373. The reversal of 11131231351 is 15313213111.

It is an a-pointer prime, because the next prime (11131231373) can be obtained adding 11131231351 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11131231351 - 2²³ = 11122842743 is a prime.

It is a super-2 number, since 2×11131231351² (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 (11131231751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565615675 + 5565615676.

It is an arithmetic number, because the mean of its divisors is an integer number (5565615676).

Almost surely, 2^11131231351 is an apocalyptic number.

11131231351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131231351 is an equidigital number, since it uses as much as digits as its factorization.

11131231351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 22.

Adding to 11131231351 its reverse (15313213111), we get a palindrome (26444444462).

The spelling of 11131231351 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred fifty-one".