100401311235 has 32 divisors (see below), whose sum is σ = 163308172608. Its totient is φ = 52659025920.

The previous prime is 100401311233. The next prime is 100401311251. The reversal of 100401311235 is 532113104001.

It is not a de Polignac number, because 100401311235 - 2¹ = 100401311233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100401311233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7086919 + ... + 7101071.

It is an arithmetic number, because the mean of its divisors is an integer number (5103380394).

Almost surely, 2^100401311235 is an apocalyptic number.

100401311235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100401311235 is a deficient number, since it is larger than the sum of its proper divisors (62906861373).

100401311235 is a wasteful number, since it uses less digits than its factorization.

100401311235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21975.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 100401311235 its reverse (532113104001), we get a palindrome (632514415236).

The spelling of 100401311235 in words is "one hundred billion, four hundred one million, three hundred eleven thousand, two hundred thirty-five".