102111402431 has 8 divisors (see below), whose sum is σ = 102364080000. Its totient is φ = 101858918040.

The previous prime is 102111402427. The next prime is 102111402473. The reversal of 102111402431 is 134204111201.

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

It is a cyclic number.

It is not a de Polignac number, because 102111402431 - 2² = 102111402427 is a prime.

It is a super-2 number, since 2×102111402431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111302431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040366 + ... + 1134276.

It is an arithmetic number, because the mean of its divisors is an integer number (12795510000).

Almost surely, 2^102111402431 is an apocalyptic number.

102111402431 is a deficient number, since it is larger than the sum of its proper divisors (252677569).

102111402431 is an equidigital number, since it uses as much as digits as its factorization.

102111402431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96589.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 102111402431 its reverse (134204111201), we get a palindrome (236315513632).

The spelling of 102111402431 in words is "one hundred two billion, one hundred eleven million, four hundred two thousand, four hundred thirty-one".