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331401301 = 71143101991
BaseRepresentation
bin10011110000001…
…100100001010101
3212002120221010021
4103300030201111
51134314320201
652515025141
711132602360
oct2360144125
9762527107
10331401301
11160081780
1292b9b1b1
135387385a
14320290d7
151e162ea1
hex13c0c855

331401301 has 32 divisors (see below), whose sum is σ = 427401216. Its totient is φ = 249480000.

The previous prime is 331401263. The next prime is 331401337. The reversal of 331401301 is 103104133.

It is not a de Polignac number, because 331401301 - 29 = 331400789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331401001) 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, 333916 + ... + 334906.

It is an arithmetic number, because the mean of its divisors is an integer number (13356288).

Almost surely, 2331401301 is an apocalyptic number.

It is an amenable number.

331401301 is a deficient number, since it is larger than the sum of its proper divisors (95999915).

331401301 is a wasteful number, since it uses less digits than its factorization.

331401301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 331401301 is about 18204.4308068118. The cubic root of 331401301 is about 692.0190814400.

Adding to 331401301 its reverse (103104133), we get a palindrome (434505434).

The spelling of 331401301 in words is "three hundred thirty-one million, four hundred one thousand, three hundred one".

Divisors: 1 7 11 43 77 101 301 473 707 991 1111 3311 4343 6937 7777 10901 30401 42613 47773 76307 100091 298291 334411 468743 700637 1101001 3281201 4303913 7707007 30127391 47343043 331401301