1301022031 has 2 divisors, whose sum is σ = 1301022032. Its totient is φ = 1301022030.

The previous prime is 1301021971. The next prime is 1301022059. The reversal of 1301022031 is 1302201031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301022031 - 2¹¹ = 1301019983 is a prime.

It is a super-2 number, since 2×1301022031² = 3385316650294729922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301022731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650511015 + 650511016.

It is an arithmetic number, because the mean of its divisors is an integer number (650511016).

Almost surely, 2^1301022031 is an apocalyptic number.

1301022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301022031 is an equidigital number, since it uses as much as digits as its factorization.

1301022031 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 13.

The square root of 1301022031 is about 36069.6829900125. The cubic root of 1301022031 is about 1091.6788177218.

Adding to 1301022031 its reverse (1302201031), we get a palindrome (2603223062).

The spelling of 1301022031 in words is "one billion, three hundred one million, twenty-two thousand, thirty-one".