100402331234 has 4 divisors (see below), whose sum is σ = 150603496854. Its totient is φ = 50201165616.

The previous prime is 100402331221. The next prime is 100402331303. The reversal of 100402331234 is 432133204001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432133204001 = 162853 ⋅2653517.

It can be written as a sum of positive squares in only one way, i.e., 99739114225 + 663217009 = 315815^2 + 25753^2 .

It is a super-4 number, since 4×100402331234⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25100582807 + ... + 25100582810.

Almost surely, 2^100402331234 is an apocalyptic number.

100402331234 is a deficient number, since it is larger than the sum of its proper divisors (50201165620).

100402331234 is an equidigital number, since it uses as much as digits as its factorization.

100402331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50201165619.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 100402331234 its reverse (432133204001), we get a palindrome (532535535235).

The spelling of 100402331234 in words is "one hundred billion, four hundred two million, three hundred thirty-one thousand, two hundred thirty-four".