31023220030102 has 8 divisors (see below), whose sum is σ = 46551198266856. Its totient is φ = 15506153941152.

The previous prime is 31023220030087. The next prime is 31023220030111. The reversal of 31023220030102 is 20103002232013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31023220030102² (a number of 28 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 31023220030102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2728029843 + ... + 2728041214.

It is an arithmetic number, because the mean of its divisors is an integer number (5818899783357).

Almost surely, 2^{31023220030102} is an apocalyptic number.

31023220030102 is a deficient number, since it is larger than the sum of its proper divisors (15527978236754).

31023220030102 is a wasteful number, since it uses less digits than its factorization.

31023220030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456073902.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31023220030102 its reverse (20103002232013), we get a palindrome (51126222262115).

The spelling of 31023220030102 in words is "thirty-one trillion, twenty-three billion, two hundred twenty million, thirty thousand, one hundred two".