1403421031 has 2 divisors, whose sum is σ = 1403421032. Its totient is φ = 1403421030.

The previous prime is 1403421011. The next prime is 1403421053. The reversal of 1403421031 is 1301243041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1403421031 - 2⁵ = 1403420999 is a prime.

It is a super-2 number, since 2×1403421031² = 3939181180506205922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1403421001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701710515 + 701710516.

It is an arithmetic number, because the mean of its divisors is an integer number (701710516).

Almost surely, 2^1403421031 is an apocalyptic number.

1403421031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403421031 is an equidigital number, since it uses as much as digits as its factorization.

1403421031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1403421031 is about 37462.2614239984. The cubic root of 1403421031 is about 1119.5994079166.

Adding to 1403421031 its reverse (1301243041), we get a palindrome (2704664072).

The spelling of 1403421031 in words is "one billion, four hundred three million, four hundred twenty-one thousand, thirty-one".