30220031002 has 16 divisors (see below), whose sum is σ = 52461538560. Its totient is φ = 12787499088.

The previous prime is 30220030991. The next prime is 30220031003. The reversal of 30220031002 is 20013002203.

30220031002 = 32839² + 32840² + ... + 32866².

It is a happy number.

It is a super-2 number, since 2×30220031002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30220031003) 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, 13660753 + ... + 13662964.

It is an arithmetic number, because the mean of its divisors is an integer number (3278846160).

Almost surely, 2^30220031002 is an apocalyptic number.

30220031002 is a deficient number, since it is larger than the sum of its proper divisors (22241507558).

30220031002 is a wasteful number, since it uses less digits than its factorization.

30220031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27323805.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30220031002 its reverse (20013002203), we get a palindrome (50233033205).

The spelling of 30220031002 in words is "thirty billion, two hundred twenty million, thirty-one thousand, two".