1234262131 has 2 divisors, whose sum is σ = 1234262132. Its totient is φ = 1234262130.

The previous prime is 1234262111. The next prime is 1234262143. The reversal of 1234262131 is 1312624321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234262131 - 2⁹ = 1234261619 is a prime.

It is a super-2 number, since 2×1234262131² = 3046806016041322322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1234262096 and 1234262105.

It is not a weakly prime, because it can be changed into another prime (1234262111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617131065 + 617131066.

It is an arithmetic number, because the mean of its divisors is an integer number (617131066).

Almost surely, 2^1234262131 is an apocalyptic number.

1234262131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234262131 is an equidigital number, since it uses as much as digits as its factorization.

1234262131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1234262131 is about 35132.0669901445. The cubic root of 1234262131 is about 1072.6774102077.

Adding to 1234262131 its reverse (1312624321), we get a palindrome (2546886452).

The spelling of 1234262131 in words is "one billion, two hundred thirty-four million, two hundred sixty-two thousand, one hundred thirty-one".