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10231001331 = 331110010767
BaseRepresentation
bin10011000011101000…
…01011000011110011
3222102000102201101020
421201310023003303
5131423114020311
64411113510523
7511351035135
oct114164130363
928360381336
1010231001331
114380151801
121b96412443
13c7080a455
146d0ad5055
153ed2dcc06
hex261d0b0f3

10231001331 has 8 divisors (see below), whose sum is σ = 14081378304. Its totient is φ = 6600645960.

The previous prime is 10231001311. The next prime is 10231001351. The reversal of 10231001331 is 13310013201.

It is an interprime number because it is at equal distance from previous prime (10231001311) and next prime (10231001351).

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

It is not a de Polignac number, because 10231001331 - 25 = 10231001299 is a prime.

It is a super-2 number, since 2×102310013312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10231001331.

It is not an unprimeable number, because it can be changed into a prime (10231001311) 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, 55005291 + ... + 55005476.

It is an arithmetic number, because the mean of its divisors is an integer number (1760172288).

Almost surely, 210231001331 is an apocalyptic number.

10231001331 is a deficient number, since it is larger than the sum of its proper divisors (3850376973).

10231001331 is a wasteful number, since it uses less digits than its factorization.

10231001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110010801.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10231001331 its reverse (13310013201), we get a palindrome (23541014532).

The spelling of 10231001331 in words is "ten billion, two hundred thirty-one million, one thousand, three hundred thirty-one".

Divisors: 1 3 31 93 110010767 330032301 3410333777 10231001331