1420201031 has 2 divisors, whose sum is σ = 1420201032. Its totient is φ = 1420201030.

The previous prime is 1420201019. The next prime is 1420201039. The reversal of 1420201031 is 1301020241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420201031 - 2⁶ = 1420200967 is a prime.

It is a super-2 number, since 2×1420201031² = 4033941936906925922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1420200997 and 1420201015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420201039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710100515 + 710100516.

It is an arithmetic number, because the mean of its divisors is an integer number (710100516).

Almost surely, 2^1420201031 is an apocalyptic number.

1420201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420201031 is an equidigital number, since it uses as much as digits as its factorization.

1420201031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1420201031 is about 37685.5546728451. The cubic root of 1420201031 is about 1124.0439036624.

Adding to 1420201031 its reverse (1301020241), we get a palindrome (2721221272).

The spelling of 1420201031 in words is "one billion, four hundred twenty million, two hundred one thousand, thirty-one".