1421113031 has 8 divisors (see below), whose sum is σ = 1530831120. Its totient is φ = 1311452352.

The previous prime is 1421112989. The next prime is 1421113073. The reversal of 1421113031 is 1303111241.

It is an interprime number because it is at equal distance from previous prime (1421112989) and next prime (1421113073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421113031 - 2¹⁸ = 1420850887 is a prime.

It is a super-2 number, since 2×1421113031² = 4039124493756013922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421113091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46715 + ... + 70883.

It is an arithmetic number, because the mean of its divisors is an integer number (191353890).

Almost surely, 2^1421113031 is an apocalyptic number.

1421113031 is a deficient number, since it is larger than the sum of its proper divisors (109718089).

1421113031 is a wasteful number, since it uses less digits than its factorization.

1421113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28705.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1421113031 is about 37697.6528579698. The cubic root of 1421113031 is about 1124.2844585001.

Adding to 1421113031 its reverse (1303111241), we get a palindrome (2724224272).

The spelling of 1421113031 in words is "one billion, four hundred twenty-one million, one hundred thirteen thousand, thirty-one".