1234021031 has 2 divisors, whose sum is σ = 1234021032. Its totient is φ = 1234021030.

The previous prime is 1234020947. The next prime is 1234021037. The reversal of 1234021031 is 1301204321.

It is a strong prime.

It is an emirp because it is prime and its reverse (1301204321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1234021031 - 2¹⁸ = 1233758887 is a prime.

It is a super-2 number, since 2×1234021031² = 3045615809900605922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234021037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617010515 + 617010516.

It is an arithmetic number, because the mean of its divisors is an integer number (617010516).

Almost surely, 2^1234021031 is an apocalyptic number.

1234021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234021031 is an equidigital number, since it uses as much as digits as its factorization.

1234021031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1234021031 is about 35128.6354844591. The cubic root of 1234021031 is about 1072.6075602791.

Adding to 1234021031 its reverse (1301204321), we get a palindrome (2535225352).

The spelling of 1234021031 in words is "one billion, two hundred thirty-four million, twenty-one thousand, thirty-one".