100311147512261 has 8 divisors (see below), whose sum is σ = 114649644860160. Its totient is φ = 85974733518768.

The previous prime is 100311147512231. The next prime is 100311147512269. The reversal of 100311147512261 is 162215741113001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100311147512261 - 2⁶ = 100311147512197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311147512269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520735421 + ... + 520928018.

It is an arithmetic number, because the mean of its divisors is an integer number (14331205607520).

Almost surely, 2^{100311147512261} is an apocalyptic number.

It is an amenable number.

100311147512261 is a deficient number, since it is larger than the sum of its proper divisors (14338497347899).

100311147512261 is a wasteful number, since it uses less digits than its factorization.

100311147512261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041677203.

The product of its (nonzero) digits is 10080, while the sum is 35.

Adding to 100311147512261 its reverse (162215741113001), we get a palindrome (262526888625262).

The spelling of 100311147512261 in words is "one hundred trillion, three hundred eleven billion, one hundred forty-seven million, five hundred twelve thousand, two hundred sixty-one".