102200000031 has 12 divisors (see below), whose sum is σ = 151612012552. Its totient is φ = 66291891696.

The previous prime is 102200000029. The next prime is 102200000033. The reversal of 102200000031 is 130000002201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102200000029) and next prime (102200000033).

It is not a de Polignac number, because 102200000031 - 2¹ = 102200000029 is a prime.

It is a super-2 number, since 2×102200000031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102199999959 and 102200000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200000033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153453121 + ... + 153453786.

Almost surely, 2^102200000031 is an apocalyptic number.

102200000031 is a deficient number, since it is larger than the sum of its proper divisors (49412012521).

102200000031 is a wasteful number, since it uses less digits than its factorization.

102200000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306906950 (or 306906947 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 102200000031 its reverse (130000002201), we get a palindrome (232200002232).

The spelling of 102200000031 in words is "one hundred two billion, two hundred million, thirty-one", and thus it is an aban number.