51102229302 has 24 divisors (see below), whose sum is σ = 114539480640. Its totient is φ = 16446694320.

The previous prime is 51102229271. The next prime is 51102229309. The reversal of 51102229302 is 20392220115.

It is a happy number.

It is a super-2 number, since 2×51102229302² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102229309) 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, 48947974 + ... + 48949017.

It is an arithmetic number, because the mean of its divisors is an integer number (4772478360).

Almost surely, 2^51102229302 is an apocalyptic number.

51102229302 is an abundant number, since it is smaller than the sum of its proper divisors (63437251338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51102229302 is a wasteful number, since it uses less digits than its factorization.

51102229302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97897028 (or 97897025 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 51102229302 its reverse (20392220115), we get a palindrome (71494449417).

The spelling of 51102229302 in words is "fifty-one billion, one hundred two million, two hundred twenty-nine thousand, three hundred two".