105231103402 has 32 divisors (see below), whose sum is σ = 173894590800. Its totient is φ = 47536462848.

The previous prime is 105231103391. The next prime is 105231103427. The reversal of 105231103402 is 204301132501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 100158957441 + 5072145961 = 316479^2 + 71219^2 .

It is a super-2 number, since 2×105231103402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137877 + ... + 479032.

Almost surely, 2^105231103402 is an apocalyptic number.

105231103402 is a deficient number, since it is larger than the sum of its proper divisors (68663487398).

105231103402 is a wasteful number, since it uses less digits than its factorization.

105231103402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617130.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 105231103402 its reverse (204301132501), we get a palindrome (309532235903).

The spelling of 105231103402 in words is "one hundred five billion, two hundred thirty-one million, one hundred three thousand, four hundred two".