20302001031 has 16 divisors (see below), whose sum is σ = 30419053056. Its totient is φ = 11950341216.

The previous prime is 20302001023. The next prime is 20302001039. The reversal of 20302001031 is 13010020302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20302001023) and next prime (20302001039).

It is not a de Polignac number, because 20302001031 - 2³ = 20302001023 is a prime.

It is a super-2 number, since 2×20302001031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20302000998 and 20302001016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302001039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11315715 + ... + 11317508.

It is an arithmetic number, because the mean of its divisors is an integer number (1901190816).

Almost surely, 2^20302001031 is an apocalyptic number.

20302001031 is a deficient number, since it is larger than the sum of its proper divisors (10117052025).

20302001031 is a wasteful number, since it uses less digits than its factorization.

20302001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22633262.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20302001031 its reverse (13010020302), we get a palindrome (33312021333).

The spelling of 20302001031 in words is "twenty billion, three hundred two million, one thousand, thirty-one".