Search a number
-
+
101431312401 = 397348561211
BaseRepresentation
bin101111001110111000…
…1110000000000010001
3100200210220220112202010
41132131301300000101
53130212403444101
6114332533013133
710220363633646
oct1363561600021
9320726815663
10101431312401
113a020371311
12177a91841a9
139746202663
144ca31a3dcd
152989c172d6
hex179dc70011

101431312401 has 8 divisors (see below), whose sum is σ = 136635995104. Its totient is φ = 66923752320.

The previous prime is 101431312399. The next prime is 101431312429. The reversal of 101431312401 is 104213134101.

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

It is not a de Polignac number, because 101431312401 - 21 = 101431312399 is a prime.

It is a super-2 number, since 2×1014313124012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101431317401) 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, 174280315 + ... + 174280896.

It is an arithmetic number, because the mean of its divisors is an integer number (17079499388).

Almost surely, 2101431312401 is an apocalyptic number.

It is an amenable number.

101431312401 is a deficient number, since it is larger than the sum of its proper divisors (35204682703).

101431312401 is an equidigital number, since it uses as much as digits as its factorization.

101431312401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348561311.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 101431312401 its reverse (104213134101), we get a palindrome (205644446502).

The spelling of 101431312401 in words is "one hundred one billion, four hundred thirty-one million, three hundred twelve thousand, four hundred one".

Divisors: 1 3 97 291 348561211 1045683633 33810437467 101431312401