102555030831 has 32 divisors (see below), whose sum is σ = 157563985920. Its totient is φ = 58750725600.

The previous prime is 102555030821. The next prime is 102555030847. The reversal of 102555030831 is 138030555201.

It is not a de Polignac number, because 102555030831 - 2¹⁴ = 102555014447 is a prime.

It is a super-2 number, since 2×102555030831² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 102555030792 and 102555030801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102555030811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1121701 + ... + 1209678.

It is an arithmetic number, because the mean of its divisors is an integer number (4923874560).

Almost surely, 2^102555030831 is an apocalyptic number.

102555030831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102555030831 is a deficient number, since it is larger than the sum of its proper divisors (55008955089).

102555030831 is a wasteful number, since it uses less digits than its factorization.

102555030831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331467.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 102555030831 in words is "one hundred two billion, five hundred fifty-five million, thirty thousand, eight hundred thirty-one".