100402331155 has 32 divisors (see below), whose sum is σ = 140049036288. Its totient is φ = 67671676800.

The previous prime is 100402331059. The next prime is 100402331207. The reversal of 100402331155 is 551133204001.

It is a happy number.

It is not a de Polignac number, because 100402331155 - 2¹¹ = 100402329107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3210424 + ... + 3241546.

It is an arithmetic number, because the mean of its divisors is an integer number (4376532384).

Almost surely, 2^100402331155 is an apocalyptic number.

100402331155 is a deficient number, since it is larger than the sum of its proper divisors (39646705133).

100402331155 is a wasteful number, since it uses less digits than its factorization.

100402331155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32707.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 100402331155 its reverse (551133204001), we get a palindrome (651535535156).

The spelling of 100402331155 in words is "one hundred billion, four hundred two million, three hundred thirty-one thousand, one hundred fifty-five".