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31402020113011 = 291497267303891
BaseRepresentation
bin1110010001111010110100…
…10000010000101001110011
311010012000002202212221001101
413020331122100100221303
513103442314122104021
6150441515555545231
76420502221620452
oct710753220205163
9133160082787041
1031402020113011
11a007581783129
123631b08bbb217
13146a275713162
147a7c19da8b99
15396c8a470a91
hex1c8f5a410a73

31402020113011 has 8 divisors (see below), whose sum is σ = 32702867514000. Its totient is φ = 30115707320160.

The previous prime is 31402020112907. The next prime is 31402020113047. The reversal of 31402020113011 is 11031102020413.

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 31402020113011 - 221 = 31402018015859 is a prime.

It is a super-2 number, since 2×314020201130112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31402020113011.

It is not an unprimeable number, because it can be changed into a prime (31402020113081) 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, 3633647625 + ... + 3633656266.

It is an arithmetic number, because the mean of its divisors is an integer number (4087858439250).

Almost surely, 231402020113011 is an apocalyptic number.

31402020113011 is a deficient number, since it is larger than the sum of its proper divisors (1300847400989).

31402020113011 is a wasteful number, since it uses less digits than its factorization.

31402020113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267304069.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31402020113011 its reverse (11031102020413), we get a palindrome (42433122133424).

The spelling of 31402020113011 in words is "thirty-one trillion, four hundred two billion, twenty million, one hundred thirteen thousand, eleven".

Divisors: 1 29 149 4321 7267303891 210751812839 1082828279759 31402020113011