31002212030 has 16 divisors (see below), whose sum is σ = 58741033680. Its totient is φ = 11748206592.

The previous prime is 31002211987. The next prime is 31002212077. The reversal of 31002212030 is 3021220013.

It is a happy number.

It is a super-2 number, since 2×31002212030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31002211996 and 31002212014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81584579 + ... + 81584958.

It is an arithmetic number, because the mean of its divisors is an integer number (3671314605).

Almost surely, 2^31002212030 is an apocalyptic number.

31002212030 is a deficient number, since it is larger than the sum of its proper divisors (27738821650).

31002212030 is a wasteful number, since it uses less digits than its factorization.

31002212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163169563.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 31002212030 its reverse (3021220013), we get a palindrome (34023432043).

The spelling of 31002212030 in words is "thirty-one billion, two million, two hundred twelve thousand, thirty".