102033031431 has 16 divisors (see below), whose sum is σ = 144542620800. Its totient is φ = 63839649888.

The previous prime is 102033031427. The next prime is 102033031433. The reversal of 102033031431 is 134130330201.

It is not a de Polignac number, because 102033031431 - 2² = 102033031427 is a prime.

It is a super-2 number, since 2×102033031431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102033031398 and 102033031407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102033031433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8358636 + ... + 8370833.

It is an arithmetic number, because the mean of its divisors is an integer number (9033913800).

Almost surely, 2^102033031431 is an apocalyptic number.

102033031431 is a deficient number, since it is larger than the sum of its proper divisors (42509589369).

102033031431 is a wasteful number, since it uses less digits than its factorization.

102033031431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16729598.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 102033031431 its reverse (134130330201), we get a palindrome (236163361632).

The spelling of 102033031431 in words is "one hundred two billion, thirty-three million, thirty-one thousand, four hundred thirty-one".