20403014031 has 12 divisors (see below), whose sum is σ = 29477638008. Its totient is φ = 13598955024.

The previous prime is 20403014029. The next prime is 20403014053. The reversal of 20403014031 is 13041030402.

It is not a de Polignac number, because 20403014031 - 2¹ = 20403014029 is a prime.

It is a super-2 number, since 2×20403014031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20403013995 and 20403014013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403014011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211845 + ... + 292718.

It is an arithmetic number, because the mean of its divisors is an integer number (2456469834).

Almost surely, 2^20403014031 is an apocalyptic number.

20403014031 is a deficient number, since it is larger than the sum of its proper divisors (9074623977).

20403014031 is a wasteful number, since it uses less digits than its factorization.

20403014031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509062 (or 509059 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20403014031 its reverse (13041030402), we get a palindrome (33444044433).

The spelling of 20403014031 in words is "twenty billion, four hundred three million, fourteen thousand, thirty-one".