30220031031 has 16 divisors (see below), whose sum is σ = 42651043200. Its totient is φ = 18979701408.

The previous prime is 30220031027. The next prime is 30220031053. The reversal of 30220031031 is 13013002203.

It is not a de Polignac number, because 30220031031 - 2² = 30220031027 is a prime.

It is a super-2 number, since 2×30220031031² (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 30220031031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220031431) 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, 1470736 + ... + 1491141.

It is an arithmetic number, because the mean of its divisors is an integer number (2665690200).

Almost surely, 2^30220031031 is an apocalyptic number.

30220031031 is a deficient number, since it is larger than the sum of its proper divisors (12431012169).

30220031031 is a wasteful number, since it uses less digits than its factorization.

30220031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962078.

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

Adding to 30220031031 its reverse (13013002203), we get a palindrome (43233033234).

The spelling of 30220031031 in words is "thirty billion, two hundred twenty million, thirty-one thousand, thirty-one".