30202013031 has 4 divisors (see below), whose sum is σ = 40269350712. Its totient is φ = 20134675352.

The previous prime is 30202012993. The next prime is 30202013033. The reversal of 30202013031 is 13031020203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30202013031 - 2¹³ = 30202004839 is a prime.

It is a super-2 number, since 2×30202013031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30202013031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202013033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5033668836 + ... + 5033668841.

It is an arithmetic number, because the mean of its divisors is an integer number (10067337678).

Almost surely, 2^30202013031 is an apocalyptic number.

30202013031 is a deficient number, since it is larger than the sum of its proper divisors (10067337681).

30202013031 is a wasteful number, since it uses less digits than its factorization.

30202013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067337680.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30202013031 its reverse (13031020203), we get a palindrome (43233033234).

The spelling of 30202013031 in words is "thirty billion, two hundred two million, thirteen thousand, thirty-one".