102131101012334 has 4 divisors (see below), whose sum is σ = 153196651518504. Its totient is φ = 51065550506166.

The previous prime is 102131101012327. The next prime is 102131101012337. The reversal of 102131101012334 is 433210101131201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131101012337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25532775253082 + ... + 25532775253085.

It is an arithmetic number, because the mean of its divisors is an integer number (38299162879626).

Almost surely, 2^{102131101012334} is an apocalyptic number.

102131101012334 is a deficient number, since it is larger than the sum of its proper divisors (51065550506170).

102131101012334 is an equidigital number, since it uses as much as digits as its factorization.

102131101012334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51065550506169.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 102131101012334 its reverse (433210101131201), we get a palindrome (535341202143535).

The spelling of 102131101012334 in words is "one hundred two trillion, one hundred thirty-one billion, one hundred one million, twelve thousand, three hundred thirty-four".