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31030010320033 = 732053207047557
BaseRepresentation
bin1110000111000101111001…
…01111100001010010100001
311001212102212202211101202201
413003202330233201102201
513031343430120220113
6145554553455013201
76351562403555524
oct703427457412241
9131772782741681
1031030010320033
11998383196962a
1235919a780a201
13144116ac742ba
14793c09366bbb
1538c266006cdd
hex1c38bcbe14a1

31030010320033 has 8 divisors (see below), whose sum is σ = 31470400625768. Its totient is φ = 30590034113664.

The previous prime is 31030010319953. The next prime is 31030010320037. The reversal of 31030010320033 is 33002301003013.

It can be written as a sum of positive squares in 4 ways, for example, as 208604119824 + 30821406200209 = 456732^2 + 5551703^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31030010320033 is a prime.

It is a super-2 number, since 2×310300103200332 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31030010320037) 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, 103373910 + ... + 103673647.

It is an arithmetic number, because the mean of its divisors is an integer number (3933800078221).

Almost surely, 231030010320033 is an apocalyptic number.

It is an amenable number.

31030010320033 is a deficient number, since it is larger than the sum of its proper divisors (440390305735).

31030010320033 is a wasteful number, since it uses less digits than its factorization.

31030010320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207049683.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31030010320033 its reverse (33002301003013), we get a palindrome (64032311323046).

The spelling of 31030010320033 in words is "thirty-one trillion, thirty billion, ten million, three hundred twenty thousand, thirty-three".

Divisors: 1 73 2053 149869 207047557 15114471661 425068634521 31030010320033