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312332002031 = 7631138151203
BaseRepresentation
bin1001000101110000111…
…00000010001011101111
31002212011221202122021002
410202320130002023233
520104123443031111
6355252222430515
731364610133130
oct4427034021357
91085157678232
10312332002031
111105062aaa15
125064743243b
13235b69b752a
141118cca3c87
1581d016063b
hex48b87022ef

312332002031 has 16 divisors (see below), whose sum is σ = 357782419968. Its totient is φ = 267090112800.

The previous prime is 312332001953. The next prime is 312332002043. The reversal of 312332002031 is 130200233213.

It is a de Polignac number, because none of the positive numbers 2k-312332002031 is a prime.

It is a super-2 number, since 2×3123320020312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312332001994 and 312332002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312332002231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6074276 + ... + 6125478.

It is an arithmetic number, because the mean of its divisors is an integer number (22361401248).

Almost surely, 2312332002031 is an apocalyptic number.

312332002031 is a deficient number, since it is larger than the sum of its proper divisors (45450417937).

312332002031 is a wasteful number, since it uses less digits than its factorization.

312332002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53222.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312332002031 its reverse (130200233213), we get a palindrome (442532235244).

The spelling of 312332002031 in words is "three hundred twelve billion, three hundred thirty-two million, two thousand, thirty-one".

Divisors: 1 7 631 1381 4417 9667 51203 358421 871411 6099877 32309093 70711343 226163651 494979401 44618857433 312332002031