30202042131 has 8 divisors (see below), whose sum is σ = 44743766160. Its totient is φ = 20134694736.

The previous prime is 30202042099. The next prime is 30202042153. The reversal of 30202042131 is 13124020203.

It is not a de Polignac number, because 30202042131 - 2⁵ = 30202042099 is a prime.

It is a super-2 number, since 2×30202042131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30202042331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559297050 + ... + 559297103.

It is an arithmetic number, because the mean of its divisors is an integer number (5592970770).

Almost surely, 2^30202042131 is an apocalyptic number.

30202042131 is a deficient number, since it is larger than the sum of its proper divisors (14541724029).

30202042131 is a wasteful number, since it uses less digits than its factorization.

30202042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118594162 (or 1118594156 counting only the distinct ones).

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

Adding to 30202042131 its reverse (13124020203), we get a palindrome (43326062334).

The spelling of 30202042131 in words is "thirty billion, two hundred two million, forty-two thousand, one hundred thirty-one".