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10120101331 = 88631141837
BaseRepresentation
bin10010110110011010…
…00111110111010011
3222010021202102011211
421123031013313103
5131211221220311
64352112520551
7505533304414
oct113315076723
928107672154
1010120101331
114323595a0a
121b65250157
13c5384b552
146c00a780b
153e36d3821
hex25b347dd3

10120101331 has 4 divisors (see below), whose sum is σ = 10121252032. Its totient is φ = 10118950632.

The previous prime is 10120101301. The next prime is 10120101337. The reversal of 10120101331 is 13310102101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13310102101 = 89149551709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10120101331 is a prime.

It is a super-2 number, since 2×101201013312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120101337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562056 + ... + 579781.

It is an arithmetic number, because the mean of its divisors is an integer number (2530313008).

Almost surely, 210120101331 is an apocalyptic number.

10120101331 is a deficient number, since it is larger than the sum of its proper divisors (1150701).

10120101331 is an equidigital number, since it uses as much as digits as its factorization.

10120101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150700.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10120101331 its reverse (13310102101), we get a palindrome (23430203432).

The spelling of 10120101331 in words is "ten billion, one hundred twenty million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 8863 1141837 10120101331